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 2016 Mike Becker. 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 |
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30 #include "javacodegen.h" |
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31 |
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32 const char* jkeywords[] = { |
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33 "abstract", "continue", "for", "new", "switch", "assert", "default", "goto", |
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34 "package", "synchronized", "boolean", "do", "if", "private", "this", |
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35 "break", "double", "implements", "protected", "throw", "byte", "else", |
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36 "import", "public", "throws", "case", "enum", "instanceof", "return", |
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37 "transient", "catch", "extends", "int", "short", "try", "char", "final", |
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38 "interface", "static", "void", "class", "finally", "long", "strictfp", |
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39 "volatile", "const", "float", "native", "super", "while", NULL |
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40 }; |
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41 |
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42 void java_highlighter(char *src, UcxBuffer *dest, HighlighterData *hd) { |
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43 /* reset buffers without clearing them */ |
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44 hd->primary_buffer->size = hd->primary_buffer->pos = 0; |
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45 hd->secondary_buffer->size = hd->secondary_buffer->pos = 0; |
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46 |
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47 /* alias the buffers for better handling */ |
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48 UcxBuffer *wbuf = hd->primary_buffer; |
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49 |
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50 /* local information */ |
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51 size_t sp = (size_t)-1; |
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52 int isstring = 0, iscomment = 0, isimport = 0; |
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53 char quote = '\0'; |
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54 int isescaping = 0; |
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55 |
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56 if (hd->multiline_comment) { |
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57 iscomment = 1; |
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58 ucx_buffer_puts(dest, "<span class=\"c2html-comment\">"); |
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59 } |
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60 |
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61 char c; |
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62 do { |
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63 c = src[++sp]; |
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64 if (!c) break; |
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65 |
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66 /* comments */ |
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67 if (!isstring && c == '/') { |
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68 if (hd->multiline_comment && sp > 0 && src[sp-1] == '*') { |
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69 iscomment = 0; |
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70 hd->multiline_comment = 0; |
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71 ucx_buffer_puts(dest, "/</span>"); |
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72 continue; |
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73 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) { |
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74 iscomment = 1; |
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75 hd->multiline_comment = (src[sp+1] == '*'); |
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76 ucx_buffer_puts(dest, "<span class=\"c2html-comment\">"); |
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77 } |
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78 } |
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79 |
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80 if (iscomment) { |
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81 if (c == '\n') { |
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82 ucx_buffer_puts(dest, "</span>\n"); |
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83 } else { |
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84 put_htmlescaped(dest, c); |
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85 } |
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86 } else if (isimport) { |
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87 /* TODO: local imports */ |
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88 } else { |
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89 /* strings */ |
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90 if (!isescaping && (c == '\'' || c == '\"')) { |
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91 if (isstring) { |
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92 put_htmlescaped(dest, c); |
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93 if (c == quote) { |
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94 isstring = 0; |
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95 ucx_buffer_puts(dest, "</span>"); |
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96 } else { |
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97 put_htmlescaped(dest, c); |
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98 } |
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99 } else { |
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100 isstring = 1; |
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101 quote = c; |
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102 ucx_buffer_puts(dest, |
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103 "<span class=\"c2html-string\">"); |
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104 put_htmlescaped(dest, c); |
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105 } |
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106 } else { |
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107 if (isstring) { |
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108 put_htmlescaped(dest, c); |
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109 } else if (!isalnum(c) && c!='_' && c!='@') { |
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110 /* write buffered word, if any */ |
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111 if (wbuf->size > 0) { |
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112 sstr_t word = sstrn(wbuf->space, wbuf->size); |
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113 int closespan = 1; |
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114 if (check_keyword(word, jkeywords)) { |
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115 ucx_buffer_puts(dest, |
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116 "<span class=\"c2html-keyword\">"); |
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117 } else if (isupper(word.ptr[0])) { |
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118 ucx_buffer_puts(dest, |
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119 "<span class=\"c2html-type\">"); |
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120 } else if (word.ptr[0] == '@') { |
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121 ucx_buffer_puts(dest, |
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122 "<span class=\"c2html-directive\">"); |
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123 } else if (check_capsonly(word)) { |
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124 ucx_buffer_puts(dest, |
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125 "<span class=\"c2html-macroconst\">"); |
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126 } else { |
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127 closespan = 0; |
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128 } |
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129 put_htmlescapedstr(dest, word); |
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130 |
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131 if (closespan) { |
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132 ucx_buffer_puts(dest, "</span>"); |
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133 } |
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134 } |
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135 wbuf->pos = wbuf->size = 0; /* reset buffer */ |
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136 |
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137 /* write current character */ |
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138 put_htmlescaped(dest, c); |
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139 } else { |
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140 /* buffer the current word */ |
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141 ucx_buffer_putc(wbuf, c); |
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142 } |
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143 } |
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144 |
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145 isescaping = !isescaping & (c == '\\'); |
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146 } |
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147 } while (c != '\n'); |
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148 } |
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