src/array_list.c

Thu, 29 Aug 2024 21:30:52 +0200

author
Mike Becker <universe@uap-core.de>
date
Thu, 29 Aug 2024 21:30:52 +0200
changeset 875
ee84ac776cbc
parent 874
cdce47f34d48
child 876
f4ce7df9cff0
permissions
-rw-r--r--

add default impl for some list member functions

resolves #419

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "cx/array_list.h"
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30 #include "cx/compare.h"
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31 #include <assert.h>
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32 #include <string.h>
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33
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34 // Default array reallocator
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35
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36 static void *cx_array_default_realloc(
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37 void *array,
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38 size_t capacity,
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39 size_t elem_size,
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40 __attribute__((__unused__)) struct cx_array_reallocator_s *alloc
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41 ) {
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42 return realloc(array, capacity * elem_size);
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43 }
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44
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45 struct cx_array_reallocator_s cx_array_default_reallocator_impl = {
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46 cx_array_default_realloc, NULL, NULL, 0, 0
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47 };
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48
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49 struct cx_array_reallocator_s *cx_array_default_reallocator = &cx_array_default_reallocator_impl;
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50
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51 // LOW LEVEL ARRAY LIST FUNCTIONS
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52
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53 enum cx_array_result cx_array_copy(
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54 void **target,
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55 size_t *size,
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56 size_t *capacity,
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57 size_t index,
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58 void const *src,
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59 size_t elem_size,
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60 size_t elem_count,
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61 struct cx_array_reallocator_s *reallocator
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62 ) {
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63 // assert pointers
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64 assert(target != NULL);
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65 assert(size != NULL);
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66 assert(src != NULL);
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67
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68 // determine capacity
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69 size_t cap = capacity == NULL ? *size : *capacity;
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70
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71 // check if resize is required
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72 size_t minsize = index + elem_count;
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73 size_t newsize = *size < minsize ? minsize : *size;
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74 bool needrealloc = newsize > cap;
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75
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76 // reallocate if possible
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77 if (needrealloc) {
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78 // a reallocator and a capacity variable must be available
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79 if (reallocator == NULL || capacity == NULL) {
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80 return CX_ARRAY_REALLOC_NOT_SUPPORTED;
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81 }
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82
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83 // check, if we need to repair the src pointer
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84 uintptr_t targetaddr = (uintptr_t) *target;
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85 uintptr_t srcaddr = (uintptr_t) src;
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86 bool repairsrc = targetaddr <= srcaddr
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87 && srcaddr < targetaddr + cap * elem_size;
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88
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89 // calculate new capacity (next number divisible by 16)
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90 cap = newsize - (newsize % 16) + 16;
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91 assert(cap > newsize);
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92
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93 // perform reallocation
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94 void *newmem = reallocator->realloc(
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95 *target, cap, elem_size, reallocator
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96 );
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97 if (newmem == NULL) {
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98 return CX_ARRAY_REALLOC_FAILED;
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99 }
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100
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101 // repair src pointer, if necessary
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102 if (repairsrc) {
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103 src = ((char *) newmem) + (srcaddr - targetaddr);
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104 }
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105
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106 // store new pointer and capacity
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107 *target = newmem;
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108 *capacity = cap;
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109 }
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110
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111 // determine target pointer
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112 char *start = *target;
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113 start += index * elem_size;
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114
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115 // copy elements and set new size
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116 memmove(start, src, elem_count * elem_size);
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117 *size = newsize;
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118
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119 // return successfully
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120 return CX_ARRAY_SUCCESS;
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121 }
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122
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123 #ifndef CX_ARRAY_SWAP_SBO_SIZE
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124 #define CX_ARRAY_SWAP_SBO_SIZE 128
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125 #endif
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126 unsigned cx_array_swap_sbo_size = CX_ARRAY_SWAP_SBO_SIZE;
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127
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128 void cx_array_swap(
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129 void *arr,
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130 size_t elem_size,
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131 size_t idx1,
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132 size_t idx2
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133 ) {
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134 assert(arr != NULL);
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135
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136 // short circuit
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137 if (idx1 == idx2) return;
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138
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139 char sbo_mem[CX_ARRAY_SWAP_SBO_SIZE];
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140 void *tmp;
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141
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142 // decide if we can use the local buffer
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143 if (elem_size > CX_ARRAY_SWAP_SBO_SIZE) {
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144 tmp = malloc(elem_size);
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145 // we don't want to enforce error handling
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146 if (tmp == NULL) abort();
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147 } else {
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148 tmp = sbo_mem;
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149 }
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150
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151 // calculate memory locations
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152 char *left = arr, *right = arr;
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153 left += idx1 * elem_size;
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154 right += idx2 * elem_size;
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155
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156 // three-way swap
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157 memcpy(tmp, left, elem_size);
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158 memcpy(left, right, elem_size);
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159 memcpy(right, tmp, elem_size);
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160
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161 // free dynamic memory, if it was needed
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162 if (tmp != sbo_mem) {
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163 free(tmp);
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164 }
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165 }
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166
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167 // HIGH LEVEL ARRAY LIST FUNCTIONS
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168
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169 typedef struct {
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170 struct cx_list_s base;
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171 void *data;
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172 size_t capacity;
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173 struct cx_array_reallocator_s reallocator;
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174 } cx_array_list;
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175
610
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176 static void *cx_arl_realloc(
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177 void *array,
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178 size_t capacity,
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179 size_t elem_size,
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180 struct cx_array_reallocator_s *alloc
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181 ) {
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182 // retrieve the pointer to the list allocator
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183 CxAllocator const *al = alloc->ptr1;
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184
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185 // use the list allocator to reallocate the memory
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186 return cxRealloc(al, array, capacity * elem_size);
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187 }
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188
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189 static void cx_arl_destructor(struct cx_list_s *list) {
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190 cx_array_list *arl = (cx_array_list *) list;
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191
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192 char *ptr = arl->data;
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193
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194 if (list->collection.simple_destructor) {
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195 for (size_t i = 0; i < list->collection.size; i++) {
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196 cx_invoke_simple_destructor(list, ptr);
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197 ptr += list->collection.elem_size;
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198 }
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199 }
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200 if (list->collection.advanced_destructor) {
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201 for (size_t i = 0; i < list->collection.size; i++) {
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202 cx_invoke_advanced_destructor(list, ptr);
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203 ptr += list->collection.elem_size;
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204 }
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205 }
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206
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207 cxFree(list->collection.allocator, arl->data);
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208 cxFree(list->collection.allocator, list);
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209 }
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210
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211 static size_t cx_arl_insert_array(
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212 struct cx_list_s *list,
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213 size_t index,
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214 void const *array,
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215 size_t n
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216 ) {
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217 // out of bounds and special case check
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218 if (index > list->collection.size || n == 0) return 0;
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219
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220 // get a correctly typed pointer to the list
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221 cx_array_list *arl = (cx_array_list *) list;
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222
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223 // do we need to move some elements?
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224 if (index < list->collection.size) {
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225 char const *first_to_move = (char const *) arl->data;
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226 first_to_move += index * list->collection.elem_size;
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227 size_t elems_to_move = list->collection.size - index;
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228 size_t start_of_moved = index + n;
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229
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230 if (CX_ARRAY_SUCCESS != cx_array_copy(
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231 &arl->data,
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232 &list->collection.size,
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233 &arl->capacity,
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234 start_of_moved,
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235 first_to_move,
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236 list->collection.elem_size,
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237 elems_to_move,
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238 &arl->reallocator
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239 )) {
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240 // if moving existing elems is unsuccessful, abort
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241 return 0;
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242 }
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243 }
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244
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245 // note that if we had to move the elements, the following operation
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246 // is guaranteed to succeed, because we have the memory already allocated
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247 // therefore, it is impossible to leave this function with an invalid array
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248
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249 // place the new elements
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250 if (CX_ARRAY_SUCCESS == cx_array_copy(
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251 &arl->data,
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252 &list->collection.size,
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253 &arl->capacity,
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254 index,
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255 array,
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256 list->collection.elem_size,
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257 n,
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258 &arl->reallocator
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259 )) {
6c81ee4f11ad #224 add cxListAddArray()
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260 return n;
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261 } else {
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262 // array list implementation is "all or nothing"
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263 return 0;
6c81ee4f11ad #224 add cxListAddArray()
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264 }
6c81ee4f11ad #224 add cxListAddArray()
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265 }
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266
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267 static int cx_arl_insert_element(
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268 struct cx_list_s *list,
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269 size_t index,
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270 void const *element
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271 ) {
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diff changeset
272 return 1 != cx_arl_insert_array(list, index, element, 1);
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273 }
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274
607
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275 static int cx_arl_insert_iter(
853
d4baf4dd55c3 simplify iterator structures
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276 struct cx_iterator_s *iter,
607
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277 void const *elem,
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278 int prepend
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279 ) {
853
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diff changeset
280 struct cx_list_s *list = iter->src_handle.m;
856
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281 if (iter->index < list->collection.size) {
641
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282 int result = cx_arl_insert_element(
619
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diff changeset
283 list,
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diff changeset
284 iter->index + 1 - prepend,
641
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diff changeset
285 elem
619
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diff changeset
286 );
874
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diff changeset
287 if (result == 0) {
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diff changeset
288 iter->elem_count++;
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diff changeset
289 if (prepend != 0) {
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290 iter->index++;
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diff changeset
291 iter->elem_handle = ((char *) iter->elem_handle) + list->collection.elem_size;
cdce47f34d48 fix inserting via iterator correctly increases element count
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diff changeset
292 }
619
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diff changeset
293 }
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diff changeset
294 return result;
5e58187ac707 #219 array list: implement insert via iterator
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parents: 616
diff changeset
295 } else {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
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diff changeset
296 int result = cx_arl_insert_element(list, list->collection.size, elem);
874
cdce47f34d48 fix inserting via iterator correctly increases element count
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parents: 856
diff changeset
297 if (result == 0) {
cdce47f34d48 fix inserting via iterator correctly increases element count
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parents: 856
diff changeset
298 iter->elem_count++;
cdce47f34d48 fix inserting via iterator correctly increases element count
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parents: 856
diff changeset
299 iter->index = list->collection.size;
cdce47f34d48 fix inserting via iterator correctly increases element count
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parents: 856
diff changeset
300 }
619
5e58187ac707 #219 array list: implement insert via iterator
Mike Becker <universe@uap-core.de>
parents: 616
diff changeset
301 return result;
5e58187ac707 #219 array list: implement insert via iterator
Mike Becker <universe@uap-core.de>
parents: 616
diff changeset
302 }
607
2d99e978dc34 implement array list ctor and dtor
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parents: 606
diff changeset
303 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
304
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
305 static int cx_arl_remove(
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
306 struct cx_list_s *list,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
307 size_t index
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
308 ) {
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
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parents: 662
diff changeset
309 cx_array_list *arl = (cx_array_list *) list;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
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parents: 662
diff changeset
310
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 627
diff changeset
311 // out-of-bounds check
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
312 if (index >= list->collection.size) {
613
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
313 return 1;
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
314 }
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
315
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
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parents: 662
diff changeset
316 // content destruction
856
6bbbf219251d fix name of collection base member (to avoid base.base)
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parents: 855
diff changeset
317 cx_invoke_destructor(list, ((char *) arl->data) + index * list->collection.elem_size);
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
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parents: 662
diff changeset
318
628
1e2be40f0cb5 use //-style single line comments everywhere
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parents: 627
diff changeset
319 // short-circuit removal of last element
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
320 if (index == list->collection.size - 1) {
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
321 list->collection.size--;
624
b0bdff7d8203 #219: cx_arl_remove short-circuit for last element
Mike Becker <universe@uap-core.de>
parents: 623
diff changeset
322 return 0;
b0bdff7d8203 #219: cx_arl_remove short-circuit for last element
Mike Becker <universe@uap-core.de>
parents: 623
diff changeset
323 }
613
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
324
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 627
diff changeset
325 // just move the elements starting at index to the left
613
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
326 int result = cx_array_copy(
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
327 &arl->data,
856
6bbbf219251d fix name of collection base member (to avoid base.base)
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parents: 855
diff changeset
328 &list->collection.size,
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 676
diff changeset
329 &arl->capacity,
613
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
330 index,
856
6bbbf219251d fix name of collection base member (to avoid base.base)
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parents: 855
diff changeset
331 ((char *) arl->data) + (index + 1) * list->collection.elem_size,
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
332 list->collection.elem_size,
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
333 list->collection.size - index - 1,
613
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
334 &arl->reallocator
85c08391a090 #219 array list: implement remove
Mike Becker <universe@uap-core.de>
parents: 612
diff changeset
335 );
820
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
336
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
337 // cx_array_copy cannot fail, array cannot grow
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
338 assert(result == 0);
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
339
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
340 // decrease the size
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
341 list->collection.size--;
820
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
342
8b86ee2e09bb remove check that is always true in cx_arl_remove()
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
343 return 0;
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
344 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
345
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
346 static void cx_arl_clear(struct cx_list_s *list) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
347 if (list->collection.size == 0) return;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
348
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
349 cx_array_list *arl = (cx_array_list *) list;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
350 char *ptr = arl->data;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
351
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
352 if (list->collection.simple_destructor) {
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
353 for (size_t i = 0; i < list->collection.size; i++) {
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 676
diff changeset
354 cx_invoke_simple_destructor(list, ptr);
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
355 ptr += list->collection.elem_size;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
356 }
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 676
diff changeset
357 }
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
358 if (list->collection.advanced_destructor) {
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
359 for (size_t i = 0; i < list->collection.size; i++) {
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 676
diff changeset
360 cx_invoke_advanced_destructor(list, ptr);
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
361 ptr += list->collection.elem_size;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
362 }
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
363 }
666
b5dd654deb3b add unit test for cxListClear + fix destructor functions not always invoked with the correct pointer
Mike Becker <universe@uap-core.de>
parents: 664
diff changeset
364
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
365 memset(arl->data, 0, list->collection.size * list->collection.elem_size);
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
366 list->collection.size = 0;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
367 }
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
368
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
369 static int cx_arl_swap(
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
370 struct cx_list_s *list,
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
371 size_t i,
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
372 size_t j
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
373 ) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
374 if (i >= list->collection.size || j >= list->collection.size) return 1;
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
375 cx_array_list *arl = (cx_array_list *) list;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
376 cx_array_swap(arl->data, list->collection.elem_size, i, j);
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
377 return 0;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
378 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
379
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
380 static void *cx_arl_at(
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
381 struct cx_list_s const *list,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
382 size_t index
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
383 ) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
384 if (index < list->collection.size) {
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
385 cx_array_list const *arl = (cx_array_list const *) list;
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
386 char *space = arl->data;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
387 return space + index * list->collection.elem_size;
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
388 } else {
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
389 return NULL;
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
390 }
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
391 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
392
764
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
393 static ssize_t cx_arl_find_remove(
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
394 struct cx_list_s *list,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
395 void const *elem,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
396 bool remove
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
397 ) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
398 assert(list->collection.cmpfunc != NULL);
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
399 assert(list->collection.size < SIZE_MAX / 2);
614
7aaec630cf15 #219 array list: implement find
Mike Becker <universe@uap-core.de>
parents: 613
diff changeset
400 char *cur = ((cx_array_list const *) list)->data;
7aaec630cf15 #219 array list: implement find
Mike Becker <universe@uap-core.de>
parents: 613
diff changeset
401
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
402 for (ssize_t i = 0; i < (ssize_t) list->collection.size; i++) {
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
403 if (0 == list->collection.cmpfunc(elem, cur)) {
764
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
404 if (remove) {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
405 if (0 == cx_arl_remove(list, i)) {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
406 return i;
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
407 } else {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
408 return -1;
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
409 }
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
410 } else {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
411 return i;
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
412 }
614
7aaec630cf15 #219 array list: implement find
Mike Becker <universe@uap-core.de>
parents: 613
diff changeset
413 }
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
414 cur += list->collection.elem_size;
614
7aaec630cf15 #219 array list: implement find
Mike Becker <universe@uap-core.de>
parents: 613
diff changeset
415 }
7aaec630cf15 #219 array list: implement find
Mike Becker <universe@uap-core.de>
parents: 613
diff changeset
416
699
35b2b99ee523 make list find return a negative value when elem not found
Mike Becker <universe@uap-core.de>
parents: 678
diff changeset
417 return -1;
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
418 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
419
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
420 static void cx_arl_sort(struct cx_list_s *list) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
421 assert(list->collection.cmpfunc != NULL);
615
b52b66dcd44b #219 array list: implement sort
Mike Becker <universe@uap-core.de>
parents: 614
diff changeset
422 qsort(((cx_array_list *) list)->data,
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
423 list->collection.size,
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
424 list->collection.elem_size,
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
425 list->collection.cmpfunc
615
b52b66dcd44b #219 array list: implement sort
Mike Becker <universe@uap-core.de>
parents: 614
diff changeset
426 );
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
427 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
428
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
429 static int cx_arl_compare(
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
430 struct cx_list_s const *list,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
431 struct cx_list_s const *other
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
432 ) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
433 assert(list->collection.cmpfunc != NULL);
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
434 if (list->collection.size == other->collection.size) {
622
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
435 char const *left = ((cx_array_list const *) list)->data;
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
436 char const *right = ((cx_array_list const *) other)->data;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
437 for (size_t i = 0; i < list->collection.size; i++) {
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
438 int d = list->collection.cmpfunc(left, right);
622
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
439 if (d != 0) {
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
440 return d;
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
441 }
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
442 left += list->collection.elem_size;
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
443 right += other->collection.elem_size;
622
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
444 }
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
445 return 0;
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
446 } else {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
447 return list->collection.size < other->collection.size ? -1 : 1;
622
3d93cd78aa20 #219 array list: implement compare member func
Mike Becker <universe@uap-core.de>
parents: 620
diff changeset
448 }
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
449 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
450
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
451 static void cx_arl_reverse(struct cx_list_s *list) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
452 if (list->collection.size < 2) return;
623
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 622
diff changeset
453 void *data = ((cx_array_list const *) list)->data;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
454 size_t half = list->collection.size / 2;
623
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 622
diff changeset
455 for (size_t i = 0; i < half; i++) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
456 cx_array_swap(data, list->collection.elem_size, i, list->collection.size - 1 - i);
623
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 622
diff changeset
457 }
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
458 }
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
459
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
460 static bool cx_arl_iter_valid(void const *it) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
461 struct cx_iterator_s const *iter = it;
853
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
462 struct cx_list_s const *list = iter->src_handle.c;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
463 return iter->index < list->collection.size;
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
464 }
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
465
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
466 static void *cx_arl_iter_current(void const *it) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
467 struct cx_iterator_s const *iter = it;
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
468 return iter->elem_handle;
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
469 }
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
470
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
471 static void cx_arl_iter_next(void *it) {
853
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
472 struct cx_iterator_s *iter = it;
854
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
473 if (iter->base.remove) {
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
474 iter->base.remove = false;
853
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
475 cx_arl_remove(iter->src_handle.m, iter->index);
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
476 } else {
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
477 iter->index++;
620
f220695aded6 #219 improve cx_arl_iter_next
Mike Becker <universe@uap-core.de>
parents: 619
diff changeset
478 iter->elem_handle =
f220695aded6 #219 improve cx_arl_iter_next
Mike Becker <universe@uap-core.de>
parents: 619
diff changeset
479 ((char *) iter->elem_handle)
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
480 + ((struct cx_list_s const *) iter->src_handle.c)->collection.elem_size;
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
481 }
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
482 }
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
483
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
484 static void cx_arl_iter_prev(void *it) {
853
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
485 struct cx_iterator_s *iter = it;
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
486 cx_array_list const* list = iter->src_handle.c;
854
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
487 if (iter->base.remove) {
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
488 iter->base.remove = false;
853
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
489 cx_arl_remove(iter->src_handle.m, iter->index);
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
490 }
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
491 iter->index--;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
492 if (iter->index < list->base.collection.size) {
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
493 iter->elem_handle = ((char *) list->data)
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
494 + iter->index * list->base.collection.elem_size;
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
495 }
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
496 }
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
497
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
498
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
499 static struct cx_iterator_s cx_arl_iterator(
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
500 struct cx_list_s const *list,
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
501 size_t index,
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
502 bool backwards
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
503 ) {
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
504 struct cx_iterator_s iter;
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
505
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
506 iter.index = index;
853
d4baf4dd55c3 simplify iterator structures
Mike Becker <universe@uap-core.de>
parents: 850
diff changeset
507 iter.src_handle.c = list;
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
508 iter.elem_handle = cx_arl_at(list, index);
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
509 iter.elem_size = list->collection.elem_size;
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
510 iter.elem_count = list->collection.size;
854
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
511 iter.base.valid = cx_arl_iter_valid;
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
512 iter.base.current = cx_arl_iter_current;
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
513 iter.base.next = backwards ? cx_arl_iter_prev : cx_arl_iter_next;
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
514 iter.base.remove = false;
fe0d69d72bcd fix members inherited by macro or include are not documented
Mike Becker <universe@uap-core.de>
parents: 853
diff changeset
515 iter.base.mutating = false;
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
516
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
517 return iter;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
518 }
616
af7d8a29fbc5 #219 array list: add iterator
Mike Becker <universe@uap-core.de>
parents: 615
diff changeset
519
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
520 static cx_list_class cx_array_list_class = {
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
521 cx_arl_destructor,
641
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
522 cx_arl_insert_element,
638
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
523 cx_arl_insert_array,
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
524 cx_arl_insert_iter,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
525 cx_arl_remove,
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
526 cx_arl_clear,
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 643
diff changeset
527 cx_arl_swap,
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
528 cx_arl_at,
764
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
529 cx_arl_find_remove,
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
530 cx_arl_sort,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
531 cx_arl_compare,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
532 cx_arl_reverse,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
533 cx_arl_iterator,
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
534 };
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
535
670
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
536 CxList *cxArrayListCreate(
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
537 CxAllocator const *allocator,
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 676
diff changeset
538 cx_compare_func comparator,
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 854
diff changeset
539 size_t elem_size,
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
540 size_t initial_capacity
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
541 ) {
670
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
542 if (allocator == NULL) {
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
543 allocator = cxDefaultAllocator;
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
544 }
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
545
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
546 cx_array_list *list = cxCalloc(allocator, 1, sizeof(cx_array_list));
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
547 if (list == NULL) return NULL;
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
548
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
549 list->base.cl = &cx_array_list_class;
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
550 list->base.collection.allocator = allocator;
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 676
diff changeset
551 list->capacity = initial_capacity;
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
552
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 854
diff changeset
553 if (elem_size > 0) {
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
554 list->base.collection.elem_size = elem_size;
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
555 list->base.collection.cmpfunc = comparator;
667
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
556 } else {
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 854
diff changeset
557 elem_size = sizeof(void *);
856
6bbbf219251d fix name of collection base member (to avoid base.base)
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
558 list->base.collection.cmpfunc = comparator == NULL ? cx_cmp_ptr : comparator;
667
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
559 cxListStorePointers((CxList *) list);
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
560 }
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
561
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 854
diff changeset
562 // allocate the array after the real elem_size is known
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 854
diff changeset
563 list->data = cxCalloc(allocator, initial_capacity, elem_size);
676
d0680a23d850 fix initial storage allocation for array lists created with CX_STORE_POINTERS
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
564 if (list->data == NULL) {
d0680a23d850 fix initial storage allocation for array lists created with CX_STORE_POINTERS
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
565 cxFree(allocator, list);
d0680a23d850 fix initial storage allocation for array lists created with CX_STORE_POINTERS
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
566 return NULL;
d0680a23d850 fix initial storage allocation for array lists created with CX_STORE_POINTERS
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
567 }
d0680a23d850 fix initial storage allocation for array lists created with CX_STORE_POINTERS
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
568
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 627
diff changeset
569 // configure the reallocator
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
570 list->reallocator.realloc = cx_arl_realloc;
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
571 list->reallocator.ptr1 = (void *) allocator;
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 607
diff changeset
572
607
2d99e978dc34 implement array list ctor and dtor
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
573 return (CxList *) list;
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
574 }

mercurial