comparison: src/c2html.c
src/c2html.c
- changeset 16
- fa0bcd0444eb
- parent 15
- 398a7589297f
- child 17
- 7ea86024aef0
equal
deleted
inserted
replaced
| 15:398a7589297f | 16:fa0bcd0444eb |
|---|---|
| 35 #include <ctype.h> | 35 #include <ctype.h> |
| 36 | 36 |
| 37 #define INPUTBUF_SIZE 2048 | 37 #define INPUTBUF_SIZE 2048 |
| 38 #define WORDBUF_SIZE 16 | 38 #define WORDBUF_SIZE 16 |
| 39 | 39 |
| 40 #define istype(word, len) (word[len-2] == '_' && word[len-1] == 't') | 40 const char* ckeywords[] = { |
| 41 #define isdirective(word) (word[0] == '#') | |
| 42 | |
| 43 const char* keywords[] = { | |
| 44 "auto", "break", "case", "char", "const", "continue", "default", "do", | 41 "auto", "break", "case", "char", "const", "continue", "default", "do", |
| 45 "double", "else", "enum", "extern", "float", "for", "goto", "if", "int", | 42 "double", "else", "enum", "extern", "float", "for", "goto", "if", "int", |
| 46 "long", "register", "return", "short", "signed", "sizeof", "static", "struct", | 43 "long", "register", "return", "short", "signed", "sizeof", "static", |
| 47 "switch", "typedef", "union", "unsigned", "void", "volatile", "while", NULL | 44 "struct", "switch", "typedef", "union", "unsigned", "void", "volatile", |
| 45 "while", NULL | |
| 48 }; | 46 }; |
| 47 | |
| 48 int istype(char *word, size_t len) { | |
| 49 return (word[len-2] == '_' && word[len-1] == 't'); | |
| 50 } | |
| 51 | |
| 52 int isdirective(char *word) { | |
| 53 return (word[0] == '#'); | |
| 54 } | |
| 55 | |
| 56 int notypes(char *word, size_t len) { | |
| 57 return 0; | |
| 58 } | |
| 59 | |
| 60 int nodirectives(char *word) { | |
| 61 return 0; | |
| 62 } | |
| 63 | |
| 64 typedef struct { | |
| 65 const char** keywords; | |
| 66 int(*istype)(char*,size_t); | |
| 67 int(*isdirective)(char*); | |
| 68 } highlighter_t; | |
| 49 | 69 |
| 50 typedef struct { | 70 typedef struct { |
| 51 char* outfilename; | 71 char* outfilename; |
| 52 char* infilename; | 72 char* infilename; |
| 53 int highlight; | 73 int highlight; |
| 143 } | 163 } |
| 144 | 164 |
| 145 return dp; | 165 return dp; |
| 146 } | 166 } |
| 147 | 167 |
| 148 int iskeyword(char *word) { | 168 int iskeyword(char *word, const char** keywords) { |
| 149 for (int i = 0 ; keywords[i] ; i++) { | 169 for (int i = 0 ; keywords[i] ; i++) { |
| 150 if (strncmp(keywords[i], word, WORDBUF_SIZE) == 0) { | 170 if (strncmp(keywords[i], word, WORDBUF_SIZE) == 0) { |
| 151 return 1; | 171 return 1; |
| 152 } | 172 } |
| 153 } | 173 } |
| 161 } | 181 } |
| 162 } | 182 } |
| 163 return 1; | 183 return 1; |
| 164 } | 184 } |
| 165 | 185 |
| 166 void parseline(char *src, char *dest) { | 186 void parseline(char *src, char *dest, highlighter_t *highlighter) { |
| 167 size_t sp = 0, dp = 0; | 187 size_t sp = 0, dp = 0; |
| 168 /* indent */ | 188 /* indent */ |
| 169 while (isspace(src[sp])) { | 189 while (isspace(src[sp])) { |
| 170 dest[dp++] = src[sp++]; | 190 dest[dp++] = src[sp++]; |
| 171 } | 191 } |
| 260 dp = writeescapedchar(dest, dp, c); | 280 dp = writeescapedchar(dest, dp, c); |
| 261 } else if (!isalnum(c) && c != '_' && c != '#' && c != '.') { | 281 } else if (!isalnum(c) && c != '_' && c != '#' && c != '.') { |
| 262 /* interpret word int_t */ | 282 /* interpret word int_t */ |
| 263 if (wp > 0 && wp < WORDBUF_SIZE) { | 283 if (wp > 0 && wp < WORDBUF_SIZE) { |
| 264 int closespan = 1; | 284 int closespan = 1; |
| 265 if (iskeyword(word)) { | 285 if (iskeyword(word, highlighter->keywords)) { |
| 266 memcpy(&(dest[dp]), "<span class=\"c2html-keyword\">", 29); | 286 memcpy(&(dest[dp]), "<span class=\"c2html-keyword\">", 29); |
| 267 dp += 29; | 287 dp += 29; |
| 268 } else if (istype(word, wp)) { | 288 } else if (highlighter->istype(word, wp)) { |
| 269 memcpy(&(dest[dp]), "<span class=\"c2html-type\">", 26); | 289 memcpy(&(dest[dp]), "<span class=\"c2html-type\">", 26); |
| 270 dp += 26; | 290 dp += 26; |
| 271 } else if (isdirective(word)) { | 291 } else if (highlighter->isdirective(word)) { |
| 272 isinclude = !strncmp("#include", word, WORDBUF_SIZE); | 292 isinclude = !strncmp("#include", word, WORDBUF_SIZE); |
| 273 memcpy(&(dest[dp]), "<span class=\"c2html-directive\">", 31); | 293 memcpy(&(dest[dp]), "<span class=\"c2html-directive\">", 31); |
| 274 dp += 31; | 294 dp += 31; |
| 275 } else if (iscapsonly(word, wp)) { | 295 } else if (iscapsonly(word, wp)) { |
| 276 memcpy(&(dest[dp]), "<span class=\"c2html-macroconst\">", 32); | 296 memcpy(&(dest[dp]), "<span class=\"c2html-macroconst\">", 32); |
| 333 | 353 |
| 334 settings_t settings; | 354 settings_t settings; |
| 335 settings.outfilename = NULL; | 355 settings.outfilename = NULL; |
| 336 settings.highlight = 1; | 356 settings.highlight = 1; |
| 337 | 357 |
| 358 highlighter_t highlighter; | |
| 359 highlighter.isdirective = isdirective; | |
| 360 highlighter.istype = istype; | |
| 361 highlighter.keywords = ckeywords; | |
| 362 | |
| 338 char optc; | 363 char optc; |
| 339 while ((optc = getopt(argc, argv, "ho:p")) != -1) { | 364 while ((optc = getopt(argc, argv, "ho:p")) != -1) { |
| 340 switch (optc) { | 365 switch (optc) { |
| 341 case 'o': | 366 case 'o': |
| 342 if (!(optarg[0] == '-' && optarg[1] == 0)) { | 367 if (!(optarg[0] == '-' && optarg[1] == 0)) { |
| 376 } | 401 } |
| 377 fprintf(fout, "<pre>\n"); | 402 fprintf(fout, "<pre>\n"); |
| 378 int lnw = lnint(inputfile->count); | 403 int lnw = lnint(inputfile->count); |
| 379 for (int i = 0 ; i < inputfile->count ; i++) { | 404 for (int i = 0 ; i < inputfile->count ; i++) { |
| 380 if (settings.highlight) { | 405 if (settings.highlight) { |
| 381 parseline(inputfile->lines[i], line); | 406 parseline(inputfile->lines[i], line, &highlighter); |
| 382 } else { | 407 } else { |
| 383 line = inputfile->lines[i]; | 408 line = inputfile->lines[i]; |
| 384 } | 409 } |
| 385 fprintf(fout, "<span class=\"c2html-lineno\">%*d:</span> %s", | 410 fprintf(fout, "<span class=\"c2html-lineno\">%*d:</span> %s", |
| 386 lnw, i+1, line); | 411 lnw, i+1, line); |
