Mon, 24 Apr 2023 21:01:41 +0200
merge upstream changes
universe@23 | 1 | /* |
universe@23 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@23 | 3 | * |
universe@35 | 4 | * Copyright 2016 Mike Becker. All rights reserved. |
universe@23 | 5 | * |
universe@23 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@23 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@23 | 8 | * |
universe@23 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@23 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@23 | 11 | * |
universe@23 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@23 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@23 | 14 | * documentation and/or other materials provided with the distribution. |
universe@23 | 15 | * |
universe@23 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@23 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@23 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@23 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@23 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@23 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@23 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@23 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@23 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@23 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@23 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@23 | 27 | * |
universe@23 | 28 | */ |
universe@52 | 29 | |
universe@22 | 30 | #include "c2html.h" |
universe@1 | 31 | |
universe@66 | 32 | #include <cx/array_list.h> |
universe@66 | 33 | #include <cx/printf.h> |
universe@1 | 34 | |
universe@66 | 35 | size_t c2html_format( |
universe@66 | 36 | CxList const *lines, |
universe@66 | 37 | void *outbuf, |
universe@66 | 38 | cx_write_func wfnc, |
universe@66 | 39 | c2html_highlighter_func highlighter, |
universe@66 | 40 | int showln |
universe@66 | 41 | ) { |
universe@66 | 42 | /* total written bytes */ |
universe@66 | 43 | size_t written = 0; |
universe@66 | 44 | |
universe@66 | 45 | /* compute width of line numbering */ |
universe@66 | 46 | int lnw = 0; |
universe@66 | 47 | if (showln) { |
universe@66 | 48 | size_t no_lines = cxListSize(lines); |
universe@66 | 49 | for (size_t p = 1; p < no_lines; p *= 10) lnw++; |
universe@53 | 50 | } |
universe@53 | 51 | |
universe@66 | 52 | /* start code formatting */ |
universe@66 | 53 | written += wfnc("<div class=\"c2html-code\">\n", 1, 26, outbuf); |
universe@39 | 54 | |
universe@44 | 55 | /* process lines */ |
universe@66 | 56 | int lineno = 0; |
universe@66 | 57 | c2html_highlighter_data hd; |
universe@66 | 58 | hd.multiline_comment = 0; |
universe@66 | 59 | cxBufferInit(&hd.primary_buffer, NULL, 256, NULL, CX_BUFFER_AUTO_EXTEND); |
universe@66 | 60 | cxBufferInit(&hd.secondary_buffer, NULL, 32, NULL, CX_BUFFER_AUTO_EXTEND); |
universe@66 | 61 | CxBuffer out_line; |
universe@66 | 62 | cxBufferInit(&out_line, NULL, 128, NULL, CX_BUFFER_AUTO_EXTEND); |
universe@66 | 63 | |
universe@66 | 64 | CxIterator in_lines = cxListIterator(lines); |
universe@66 | 65 | cx_foreach(char*, in_line, in_lines) { |
universe@44 | 66 | /* increase line number and clean line buffer */ |
universe@39 | 67 | lineno++; |
universe@66 | 68 | cxBufferClear(&out_line); |
universe@66 | 69 | |
universe@44 | 70 | /* write line number */ |
universe@66 | 71 | if (showln) { |
universe@66 | 72 | cx_bprintf(&out_line, "<a class=\"c2html-lineno\" name=\"l%d\" " |
universe@66 | 73 | "href=\"#l%d\">%*d </a>", |
universe@66 | 74 | lineno, lineno, lnw, lineno); |
universe@44 | 75 | } |
universe@66 | 76 | |
universe@45 | 77 | /* process code line */ |
universe@66 | 78 | highlighter(in_line, &out_line, &hd); |
universe@66 | 79 | |
universe@50 | 80 | /* write code line */ |
universe@66 | 81 | written += wfnc(out_line.space, 1, out_line.size, outbuf); |
olaf@24 | 82 | } |
universe@66 | 83 | |
universe@66 | 84 | /* end code formatting */ |
universe@66 | 85 | written += wfnc("</div>\n", 1, 7, outbuf); |
universe@66 | 86 | |
universe@44 | 87 | /* cleanup and return */ |
universe@66 | 88 | cxBufferDestroy(&hd.primary_buffer); |
universe@66 | 89 | cxBufferDestroy(&hd.secondary_buffer); |
universe@66 | 90 | cxBufferDestroy(&out_line); |
universe@66 | 91 | |
universe@55 | 92 | return written; |
olaf@24 | 93 | } |
olaf@24 | 94 | |
universe@66 | 95 | size_t c2html_bformat( |
universe@66 | 96 | char const *inputbuffer, |
universe@66 | 97 | size_t inputbuflen, |
universe@66 | 98 | void *outbuf, |
universe@66 | 99 | cx_write_func wfnc, |
universe@66 | 100 | c2html_highlighter_func highlighter, |
universe@66 | 101 | int showln |
universe@66 | 102 | ) { |
universe@66 | 103 | /* a rough estimate for the number of lines */ |
universe@66 | 104 | size_t est_cap = 16 + inputbuflen / 40; |
universe@42 | 105 | |
universe@66 | 106 | /* create the line pointer array */ |
universe@66 | 107 | CxList *lines = cxArrayListCreateSimple(CX_STORE_POINTERS, est_cap); |
universe@66 | 108 | cxListAdd(lines, inputbuffer); |
universe@66 | 109 | for (size_t i = 1; i < inputbuflen; i++) { |
universe@66 | 110 | if (inputbuffer[i] == '\n' && i + 1 < inputbuflen) { |
universe@66 | 111 | cxListAdd(lines, inputbuffer + i + 1); |
universe@57 | 112 | } |
universe@57 | 113 | } |
universe@66 | 114 | |
universe@66 | 115 | /* invoke the other function */ |
universe@66 | 116 | size_t n = c2html_format(lines, outbuf, wfnc, highlighter, showln); |
universe@66 | 117 | |
universe@66 | 118 | /* cleanup and return */ |
universe@66 | 119 | cxListDestroy(lines); |
universe@57 | 120 | return n; |
universe@66 | 121 | } |