comparison: src/c2html.c
src/c2html.c
- changeset 44
- 2b4ac35d061d
- parent 43
- a8cee98c8832
- child 45
- 1f3835182aeb
equal
deleted
inserted
replaced
| 43:a8cee98c8832 | 44:2b4ac35d061d |
|---|---|
| 45 " -l Disable line numbers\n" | 45 " -l Disable line numbers\n" |
| 46 " -V, -v Prints version and exits\n" | 46 " -V, -v Prints version and exits\n" |
| 47 "\n"); | 47 "\n"); |
| 48 } | 48 } |
| 49 | 49 |
| 50 #define WRITECONST(stream, out, cstr) out(cstr, 1, sizeof(cstr)-1, stream) | |
| 51 int formatfile( | 50 int formatfile( |
| 52 highlighter_t *highlighter, | 51 highlighter_t *highlighter, |
| 53 UcxList *in, | 52 UcxList *in, |
| 54 write_func out, | 53 write_func out, void *stream, |
| 55 void *stream, | |
| 56 int showlineno) { | 54 int showlineno) { |
| 57 size_t lines = ucx_list_size(in); | 55 |
| 58 | 56 /* compute width of line numbering */ |
| 57 int lnw; | |
| 58 if (showlineno) { | |
| 59 size_t lines = ucx_list_size(in); | |
| 60 lnw = 1; | |
| 61 int p = 1; | |
| 62 while ((p*=10) < lines) lnw++; | |
| 63 } | |
| 64 | |
| 65 /* allocate line buffer */ | |
| 59 UcxBuffer *line = ucx_buffer_new(NULL, 1024, UCX_BUFFER_AUTOEXTEND); | 66 UcxBuffer *line = ucx_buffer_new(NULL, 1024, UCX_BUFFER_AUTOEXTEND); |
| 60 if(!line) { | 67 if(!line) { |
| 61 return 1; | 68 return 1; |
| 62 } | 69 } |
| 63 WRITECONST(stream, out, "<pre>\n"); | 70 |
| 64 | 71 /* start monospace formatting */ |
| 65 int lnw; | 72 out("<pre>\n", 1, 6, stream); |
| 66 { | 73 |
| 67 lnw = 1; | 74 /* process lines */ |
| 68 int p = 1; | |
| 69 while ((p*=10) < lines) lnw++; | |
| 70 } | |
| 71 | |
| 72 size_t lineno = 0; | 75 size_t lineno = 0; |
| 73 UCX_FOREACH(sourceline, in) { | 76 UCX_FOREACH(sourceline, in) { |
| 77 /* increase line number and clean line buffer */ | |
| 74 lineno++; | 78 lineno++; |
| 79 ucx_buffer_clear(line); | |
| 80 | |
| 81 /* write line number */ | |
| 82 if (showlineno) { | |
| 83 ucx_bprintf(line, "<span class=\"c2html-lineno\">" | |
| 84 "<a name=\"l%d\" href=\"#l%d\">%*d </a></span> ", | |
| 85 lineno, lineno, lnw, lineno); | |
| 86 } | |
| 87 | |
| 75 /* TODO: backwards compatibility: replace line->space in all occasions | 88 /* TODO: backwards compatibility: replace line->space in all occasions |
| 76 * and use UcxBuffer functions | 89 * and use UcxBuffer functions |
| 77 */ | 90 */ |
| 91 char *buf = line->space + line->pos; | |
| 78 if (highlighter) { | 92 if (highlighter) { |
| 79 highlighter->parser(sourceline->data, line->space, highlighter); | 93 highlighter->parser(sourceline->data, buf, highlighter); |
| 80 } else { | 94 } else { |
| 81 char *c = sourceline->data; | 95 char *c = sourceline->data; |
| 82 size_t dp = 0; | 96 size_t dp = 0; |
| 83 while (*c && *c != '\n') { | 97 while (*c && *c != '\n') { |
| 84 dp = writeescapedchar(line->space, dp, *c); | 98 dp = writeescapedchar(buf, dp, *c); |
| 85 c++; | 99 c++; |
| 86 } | 100 } |
| 87 line->space[dp++] = '\n'; | 101 buf[dp++] = '\n'; |
| 88 line->space[dp] = '\0'; | 102 buf[dp] = '\0'; |
| 89 } | 103 } |
| 90 | 104 line->size = strlen(line->space); |
| 91 // write line number | 105 |
| 92 if (showlineno) { | 106 /* write code line */ |
| 93 WRITECONST(stream, out, "<span class=\"c2html-lineno\">"); | 107 out(line->space, 1, line->size, stream); |
| 94 char lnbuf[128]; | 108 } |
| 95 int len; | 109 |
| 96 // line number link | 110 /* end monospace formatting */ |
| 97 len = snprintf(lnbuf, 128, "<a name=\"l%d\" href=\"#l%d\">", | 111 out("</pre>\n", 1, 7, stream); |
| 98 lineno, lineno); | 112 |
| 99 out(lnbuf, 1, len, stream); | 113 /* cleanup and return */ |
| 100 // justified line number | |
| 101 len = snprintf(lnbuf, 128, "%*d ", lnw, lineno); | |
| 102 out(lnbuf, 1, len, stream); | |
| 103 WRITECONST(stream, out, "</a></span> "); | |
| 104 } | |
| 105 | |
| 106 // write formated (or plain) code line | |
| 107 out(line->space, 1, strlen(line->space), stream); | |
| 108 } | |
| 109 | |
| 110 WRITECONST(stream, out, "</pre>\n"); | |
| 111 ucx_buffer_free(line); | 114 ucx_buffer_free(line); |
| 112 return 0; | 115 return 0; |
| 113 } | 116 } |
| 114 | 117 |
| 115 void init_c_highlighter(highlighter_t *highlighter) { | 118 void init_c_highlighter(highlighter_t *highlighter) { |
