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comparison: src/c2html.c

src/c2html.c

changeset 19
2e812df2b231
parent 18
5085b57e3fd6
child 20
ebbf0776c1bc
equal deleted inserted replaced
18:5085b57e3fd6 19:2e812df2b231
36 36
37 #define INPUTBUF_SIZE 2048 37 #define INPUTBUF_SIZE 2048
38 #define WORDBUF_SIZE 64 38 #define WORDBUF_SIZE 64
39 39
40 const char* ckeywords[] = { 40 const char* ckeywords[] = {
41 "auto", "break", "case", "char", "const", "continue", "default", "do", 41 "auto", "break", "case", "char", "const", "continue", "default", "do",
42 "double", "else", "enum", "extern", "float", "for", "goto", "if", "int", 42 "double", "else", "enum", "extern", "float", "for", "goto", "if", "int",
43 "long", "register", "return", "short", "signed", "sizeof", "static", 43 "long", "register", "return", "short", "signed", "sizeof", "static",
44 "struct", "switch", "typedef", "union", "unsigned", "void", "volatile", 44 "struct", "switch", "typedef", "union", "unsigned", "void", "volatile",
45 "while", NULL 45 "while", NULL
46 }; 46 };
47 47
48 const char* jkeywords[] = { 48 const char* jkeywords[] = {
49 "abstract", "continue", "for", "new", "switch", "assert", "default", "goto", 49 "abstract", "continue", "for", "new", "switch", "assert", "default", "goto",
50 "package", "synchronized", "boolean", "do", "if", "private", "this", 50 "package", "synchronized", "boolean", "do", "if", "private", "this",
51 "break", "double", "implements", "protected", "throw", "byte", "else", 51 "break", "double", "implements", "protected", "throw", "byte", "else",
52 "import", "public", "throws", "case", "enum", "instanceof", "return", 52 "import", "public", "throws", "case", "enum", "instanceof", "return",
53 "transient", "catch", "extends", "int", "short", "try", "char", "final", 53 "transient", "catch", "extends", "int", "short", "try", "char", "final",
54 "interface", "static", "void", "class", "finally", "long", "strictfp", 54 "interface", "static", "void", "class", "finally", "long", "strictfp",
55 "volatile", "const", "float", "native", "super", "while", NULL 55 "volatile", "const", "float", "native", "super", "while", NULL
56 }; 56 };
57 57
58 #define iswordcharacter(c) (isalnum(c) || c=='_' || c=='#' || c=='@') 58 #define iswordcharacter(c) (isalnum(c) || c=='_' || c=='#' || c=='@')
59 59
60 int isctype(char *word, size_t len) { 60 int isctype(char *word, size_t len) {
61 return (word[len-2] == '_' && word[len-1] == 't'); 61 return (word[len-2] == '_' && word[len-1] == 't');
62 } 62 }
63 63
64 int iscdirective(char *word) { 64 int iscdirective(char *word) {
65 return (word[0] == '#'); 65 return (word[0] == '#');
66 } 66 }
67 67
68 int isjtype(char *word, size_t len) { 68 int isjtype(char *word, size_t len) {
69 return isupper(word[0]); 69 return isupper(word[0]);
70 } 70 }
71 71
72 int isjdirective(char *word) { 72 int isjdirective(char *word) {
73 return word[0] == '@'; 73 return word[0] == '@';
74 } 74 }
75 75
76 typedef struct { 76 typedef struct {
77 const char** keywords; 77 const char** keywords;
78 int(*istype)(char*,size_t); 78 int(*istype)(char*,size_t);
79 int(*isdirective)(char*); 79 int(*isdirective)(char*);
80 } highlighter_t; 80 } highlighter_t;
81 81
82 typedef struct { 82 typedef struct {
83 char* outfilename; 83 char* outfilename;
84 char* infilename; 84 char* infilename;
85 int highlight; 85 int highlight;
86 } settings_t; 86 } settings_t;
87 87
88 typedef struct { 88 typedef struct {
89 size_t count; 89 size_t count;
90 size_t capacity; 90 size_t capacity;
91 size_t maxlinewidth; 91 size_t maxlinewidth;
92 char** lines; 92 char** lines;
93 } inputfile_t; 93 } inputfile_t;
94 94
95 inputfile_t *inputfilebuffer(size_t capacity) { 95 inputfile_t *inputfilebuffer(size_t capacity) {
96 inputfile_t *inputfile = (inputfile_t*) malloc(sizeof(inputfile_t)); 96 inputfile_t *inputfile = (inputfile_t*) malloc(sizeof(inputfile_t));
97 inputfile->lines = (char**) malloc(capacity * sizeof(char*)); 97 inputfile->lines = (char**) malloc(capacity * sizeof(char*));
98 inputfile->capacity = capacity; 98 inputfile->capacity = capacity;
99 inputfile->count = 0; 99 inputfile->count = 0;
100 inputfile->maxlinewidth = 0; 100 inputfile->maxlinewidth = 0;
101 101
102 return inputfile; 102 return inputfile;
103 } 103 }
104 104
105 void addline(inputfile_t *inputfile, char* line, size_t width) { 105 void addline(inputfile_t *inputfile, char* line, size_t width) {
106 char *l = (char*) malloc(width+1); 106 char *l = (char*) malloc(width+1);
107 memcpy(l, line, width); 107 memcpy(l, line, width);
108 l[width] = 0; 108 l[width] = 0;
109 if (inputfile->count >= inputfile->capacity) { 109 if (inputfile->count >= inputfile->capacity) {
110 inputfile->capacity <<= 1; 110 inputfile->capacity <<= 1;
111 inputfile->lines = realloc(inputfile->lines, inputfile->capacity); 111 inputfile->lines = realloc(inputfile->lines, inputfile->capacity);
112 } 112 }
113 inputfile->lines[inputfile->count] = l; 113 inputfile->lines[inputfile->count] = l;
114 inputfile->maxlinewidth = 114 inputfile->maxlinewidth =
115 width > inputfile->maxlinewidth ? width : inputfile->maxlinewidth; 115 width > inputfile->maxlinewidth ? width : inputfile->maxlinewidth;
116 inputfile->count++; 116 inputfile->count++;
117 } 117 }
118 118
119 void freeinputfilebuffer(inputfile_t *inputfile) { 119 void freeinputfilebuffer(inputfile_t *inputfile) {
120 for (int i = 0 ; i < inputfile->count ; i++) { 120 for (int i = 0 ; i < inputfile->count ; i++) {
121 free(inputfile->lines[i]); 121 free(inputfile->lines[i]);
122 } 122 }
123 free(inputfile->lines); 123 free(inputfile->lines);
124 free(inputfile); 124 free(inputfile);
125 } 125 }
126 126
127 inputfile_t *readinput(char *filename) { 127 inputfile_t *readinput(char *filename) {
128 128
129 int fd = open(filename, O_RDONLY); 129 int fd = open(filename, O_RDONLY);
130 if (fd == -1) return NULL; 130 if (fd == -1) return NULL;
131 131
132 inputfile_t *inputfile = inputfilebuffer(512); 132 inputfile_t *inputfile = inputfilebuffer(512);
133 133
134 char buf[INPUTBUF_SIZE]; 134 char buf[INPUTBUF_SIZE];
135 ssize_t r; 135 ssize_t r;
136 136
137 size_t maxlinewidth = 256; 137 size_t maxlinewidth = 256;
138 char *line = (char*) malloc(maxlinewidth); 138 char *line = (char*) malloc(maxlinewidth);
139 size_t col = 0; 139 size_t col = 0;
140 140
141 while ((r = read(fd, buf, INPUTBUF_SIZE)) > 0) { 141 while ((r = read(fd, buf, INPUTBUF_SIZE)) > 0) {
142 for (size_t i = 0 ; i < r ; i++) { 142 for (size_t i = 0 ; i < r ; i++) {
143 if (col >= maxlinewidth-4) { 143 if (col >= maxlinewidth-4) {
144 maxlinewidth <<= 1; 144 maxlinewidth <<= 1;
145 line = realloc(line, maxlinewidth); 145 line = realloc(line, maxlinewidth);
146 } 146 }
147 147
148 if (buf[i] == '\n') { 148 if (buf[i] == '\n') {
149 line[col++] = '\n'; 149 line[col++] = '\n';
150 line[col] = 0; 150 line[col] = 0;
151 addline(inputfile, line, col); 151 addline(inputfile, line, col);
152 col = 0; 152 col = 0;
153 } else { 153 } else {
154 line[col++] = buf[i]; 154 line[col++] = buf[i];
155 } 155 }
156 } 156 }
157 } 157 }
158 158
159 free(line); 159 free(line);
160 160
161 close(fd); 161 close(fd);
162 162
163 return inputfile; 163 return inputfile;
164 } 164 }
165 165
166 size_t writeescapedchar(char *dest, size_t dp, char c) { 166 size_t writeescapedchar(char *dest, size_t dp, char c) {
167 if (c == '>') { 167 if (c == '>') {
168 dest[dp++] = '&'; dest[dp++] = 'g'; 168 dest[dp++] = '&'; dest[dp++] = 'g'; dest[dp++] = 't'; dest[dp++] = ';';
169 dest[dp++] = 't'; dest[dp++] = ';'; 169 } else if (c == '<') {
170 } else if (c == '<') { 170 dest[dp++] = '&'; dest[dp++] = 'l'; dest[dp++] = 't'; dest[dp++] = ';';
171 dest[dp++] = '&'; dest[dp++] = 'l'; 171 } else {
172 dest[dp++] = 't'; dest[dp++] = ';'; 172 dest[dp++] = c;
173 } else { 173 }
174 dest[dp++] = c; 174
175 } 175 return dp;
176
177 return dp;
178 } 176 }
179 177
180 int iskeyword(char *word, const char** keywords) { 178 int iskeyword(char *word, const char** keywords) {
181 for (int i = 0 ; keywords[i] ; i++) { 179 for (int i = 0 ; keywords[i] ; i++) {
182 if (strncmp(keywords[i], word, WORDBUF_SIZE) == 0) { 180 if (strncmp(keywords[i], word, WORDBUF_SIZE) == 0) {
183 return 1; 181 return 1;
184 } 182 }
185 } 183 }
186 return 0; 184 return 0;
187 } 185 }
188 186
189 int iscapsonly(char *word, size_t wp) { 187 int iscapsonly(char *word, size_t wp) {
190 for (size_t i = 0 ; i < wp ; i++) { 188 for (size_t i = 0 ; i < wp ; i++) {
191 if (!isupper(word[i]) && word[i] != '_') { 189 if (!isupper(word[i]) && word[i] != '_') {
192 return 0; 190 return 0;
193 } 191 }
194 } 192 }
195 return 1; 193 return 1;
196 } 194 }
197 195
198 void parseline(char *src, char *dest, highlighter_t *highlighter) { 196 void parseline(char *src, char *dest, highlighter_t *highlighter) {
199 size_t sp = 0, dp = 0; 197 size_t sp = 0, dp = 0;
200 /* indent */ 198 /* indent */
201 while (isspace(src[sp])) { 199 while (isspace(src[sp])) {
202 dest[dp++] = src[sp++]; 200 dest[dp++] = src[sp++];
203 } 201 }
204 202
205 static char word[WORDBUF_SIZE]; 203 static char word[WORDBUF_SIZE];
206 static char includefile[FILENAME_MAX]; 204 static char includefile[FILENAME_MAX];
207 205
208 memset(word, 0, WORDBUF_SIZE); 206 memset(word, 0, WORDBUF_SIZE);
209 size_t wp = 0, ifp = 0; 207 size_t wp = 0, ifp = 0;
210 int isstring = 0, iscomment = 0, isinclude = 0, parseinclude = 0; 208 int isstring = 0, iscomment = 0, isinclude = 0, parseinclude = 0;
211 static int iscommentml; 209 static int iscommentml;
212 int isescaping = 0; 210 int isescaping = 0;
213 211
214 if (iscommentml) { 212 if (iscommentml) {
215 iscomment = 1;
216 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
217 dp += 29;
218 }
219
220 for (char c = src[sp] ; c ; c=src[++sp]) {
221 /* comments */
222 if (c == '/') {
223 if (iscommentml && sp > 0 && src[sp-1] == '*') {
224 iscomment = 0;
225 iscommentml = 0;
226 memcpy(&(dest[dp]), "/</span>", 8);
227 dp += 8;
228 continue;
229 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
230 iscomment = 1; 213 iscomment = 1;
231 iscommentml = (src[sp+1] == '*');
232 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29); 214 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
233 dp += 29; 215 dp += 29;
234 } 216 }
235 } 217
236 218 for (char c = src[sp] ; c ; c=src[++sp]) {
237 if (iscomment) { 219 /* comments */
238 if (c == '\n') { 220 if (c == '/') {
239 memcpy(&(dest[dp]), "</span>", 7); 221 if (iscommentml && sp > 0 && src[sp-1] == '*') {
240 dp += 7; 222 iscomment = 0;
241 } 223 iscommentml = 0;
242 dp = writeescapedchar(dest, dp, c); 224 memcpy(&(dest[dp]), "/</span>", 8);
243 } else if (isinclude) { 225 dp += 8;
244 if (c == '<') { 226 continue;
245 memcpy(&(dest[dp]), "<span class=\"c2html-stdinclude\">", 32); 227 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
246 dp += 32; 228 iscomment = 1;
247 dp = writeescapedchar(dest, dp, c); 229 iscommentml = (src[sp+1] == '*');
248 } else if (c == '\"') { 230 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
249 if (parseinclude) { 231 dp += 29;
250 dest[dp++] = '\"'; 232 }
251 dest[dp++] = '>'; 233 }
252 memcpy(&(dest[dp]), includefile, ifp); 234
253 dp += ifp; 235 if (iscomment) {
254 236 if (c == '\n') {
255 dp = writeescapedchar(dest, dp, c); 237 memcpy(&(dest[dp]), "</span>", 7);
256 memcpy(&(dest[dp]), "</a>", 4); 238 dp += 7;
257 dp += 4; 239 }
258 parseinclude = 0; 240 dp = writeescapedchar(dest, dp, c);
241 } else if (isinclude) {
242 if (c == '<') {
243 memcpy(&(dest[dp]), "<span class=\"c2html-stdinclude\">", 32);
244 dp += 32;
245 dp = writeescapedchar(dest, dp, c);
246 } else if (c == '\"') {
247 if (parseinclude) {
248 dest[dp++] = '\"';
249 dest[dp++] = '>';
250 memcpy(&(dest[dp]), includefile, ifp);
251 dp += ifp;
252
253 dp = writeescapedchar(dest, dp, c);
254 memcpy(&(dest[dp]), "</a>", 4);
255 dp += 4;
256 parseinclude = 0;
257 } else {
258 memcpy(&(dest[dp]),
259 "<a class=\"c2html-userinclude\" href=", 35);
260 dp += 35;
261 dp = writeescapedchar(dest, dp, c);
262 ifp = 0;
263 includefile[ifp++] = '\"';
264 parseinclude = 1;
265 }
266 } else if (c == '>') {
267 dp = writeescapedchar(dest, dp, c);
268 memcpy(&(dest[dp]), "</span>", 7);
269 dp += 7;
270 } else {
271 if (parseinclude) {
272 includefile[ifp++] = c;
273 }
274 dp = writeescapedchar(dest, dp, c);
275 }
259 } else { 276 } else {
260 memcpy(&(dest[dp]), "<a class=\"c2html-userinclude\" href=", 35); 277 /* strings */
261 dp += 35; 278 if (!isescaping && (c == '\'' || c == '\"')) {
262 dp = writeescapedchar(dest, dp, c); 279 isstring ^= 1;
263 ifp = 0; 280 if (isstring) {
264 includefile[ifp++] = '\"'; 281 memcpy(&(dest[dp]), "<span class=\"c2html-string\">", 28);
265 parseinclude = 1; 282 dp += 28;
266 } 283 dp = writeescapedchar(dest, dp, c);
267 } else if (c == '>') { 284 } else {
268 dp = writeescapedchar(dest, dp, c); 285 dp = writeescapedchar(dest, dp, c);
269 memcpy(&(dest[dp]), "</span>", 7); 286 memcpy(&(dest[dp]), "</span>", 7);
270 dp += 7; 287 dp += 7;
271 } else { 288 }
272 if (parseinclude) { 289 } else {
273 includefile[ifp++] = c; 290 if (isstring) {
274 } 291 dp = writeescapedchar(dest, dp, c);
275 dp = writeescapedchar(dest, dp, c); 292 } else if (!iswordcharacter(c)) {
276 } 293 /* interpret word int_t */
294 if (wp > 0 && wp < WORDBUF_SIZE) {
295 int closespan = 1;
296 if (iskeyword(word, highlighter->keywords)) {
297 memcpy(&(dest[dp]),
298 "<span class=\"c2html-keyword\">", 29);
299 dp += 29;
300 } else if (highlighter->istype(word, wp)) {
301 memcpy(&(dest[dp]),
302 "<span class=\"c2html-type\">", 26);
303 dp += 26;
304 } else if (highlighter->isdirective(word)) {
305 isinclude = !strncmp(
306 "#include", word, WORDBUF_SIZE);
307 memcpy(&(dest[dp]),
308 "<span class=\"c2html-directive\">", 31);
309 dp += 31;
310 } else if (iscapsonly(word, wp)) {
311 memcpy(&(dest[dp]),
312 "<span class=\"c2html-macroconst\">", 32);
313 dp += 32;
314 } else {
315 closespan = 0;
316 }
317 for (int i = 0 ; i < wp ; i++) {
318 dp = writeescapedchar(dest, dp, word[i]);
319 }
320 if (closespan) {
321 memcpy(&(dest[dp]), "</span>", 7);
322 dp += 7;
323 }
324 }
325 memset(word, 0, WORDBUF_SIZE);
326 wp = 0;
327 dp = writeescapedchar(dest, dp, c);
328 } else {
329 /* read word */
330 if (wp < WORDBUF_SIZE) {
331 word[wp++] = c;
332 } else if (wp == WORDBUF_SIZE) {
333 for (int i = 0 ; i < WORDBUF_SIZE ; i++) {
334 dp = writeescapedchar(dest, dp, word[i]);
335 }
336 wp++;
337 dp = writeescapedchar(dest, dp, c);
338 } else {
339 dp = writeescapedchar(dest, dp, c);
340 }
341 }
342 }
343
344 isescaping = !isescaping & (c == '\\');
345 }
346 }
347 dest[dp] = 0;
348 }
349
350 void printhelp() {
351 printf("Formats source code using HTML.\n\nUsage:\n"
352 " c2html [Options] FILE\n\n"
353 " Options:\n"
354 " -h Prints this help message\n"
355 " -j Highlight Java instead of C source code\n"
356 " -o <output> Output file (stdout, if not specified)\n"
357 " -p Disable highlighting (plain text)\n"
358 "\n");
359
360
361 }
362
363 int lnint(size_t lnc) {
364 int w = 1, p = 1;
365 while ((p*=10) < lnc) w++;
366 return w;
367 }
368
369 int main(int argc, char** argv) {
370
371 settings_t settings;
372 settings.outfilename = NULL;
373 settings.highlight = 1;
374
375 highlighter_t highlighter;
376 highlighter.isdirective = iscdirective;
377 highlighter.istype = isctype;
378 highlighter.keywords = ckeywords;
379
380 char optc;
381 while ((optc = getopt(argc, argv, "hjo:p")) != -1) {
382 switch (optc) {
383 case 'o':
384 if (!(optarg[0] == '-' && optarg[1] == 0)) {
385 settings.outfilename = optarg;
386 }
387 break;
388 case 'j':
389 highlighter.isdirective = isjdirective;
390 highlighter.istype = isjtype;
391 highlighter.keywords = jkeywords;
392 break;
393 case 'p':
394 settings.highlight = 0;
395 break;
396 case 'h':
397 printhelp();
398 return 0;
399 default:
400 return 1;
401 }
402 }
403
404 if (optind != argc-1) {
405 printhelp();
406 return 1;
277 } else { 407 } else {
278 /* strings */ 408 settings.infilename = argv[optind];
279 if (!isescaping && (c == '\'' || c == '\"')) { 409
280 isstring ^= 1; 410 inputfile_t *inputfile = readinput(settings.infilename);
281 if (isstring) { 411 if (inputfile) {
282 memcpy(&(dest[dp]), "<span class=\"c2html-string\">", 28); 412 FILE *fout;
283 dp += 28; 413 char *line;
284 dp = writeescapedchar(dest, dp, c); 414 if (settings.highlight) {
285 } else { 415 line = (char*) malloc(inputfile->maxlinewidth*64);
286 dp = writeescapedchar(dest, dp, c);
287 memcpy(&(dest[dp]), "</span>", 7);
288 dp += 7;
289 }
290 } else {
291 if (isstring) {
292 dp = writeescapedchar(dest, dp, c);
293 } else if (!iswordcharacter(c)) {
294 /* interpret word int_t */
295 if (wp > 0 && wp < WORDBUF_SIZE) {
296 int closespan = 1;
297 if (iskeyword(word, highlighter->keywords)) {
298 memcpy(&(dest[dp]), "<span class=\"c2html-keyword\">", 29);
299 dp += 29;
300 } else if (highlighter->istype(word, wp)) {
301 memcpy(&(dest[dp]), "<span class=\"c2html-type\">", 26);
302 dp += 26;
303 } else if (highlighter->isdirective(word)) {
304 isinclude = !strncmp("#include", word, WORDBUF_SIZE);
305 memcpy(&(dest[dp]), "<span class=\"c2html-directive\">", 31);
306 dp += 31;
307 } else if (iscapsonly(word, wp)) {
308 memcpy(&(dest[dp]), "<span class=\"c2html-macroconst\">", 32);
309 dp += 32;
310 } else { 416 } else {
311 closespan = 0; 417 line = NULL;
312 } 418 }
313 for (int i = 0 ; i < wp ; i++) { 419 if (settings.outfilename) {
314 dp = writeescapedchar(dest, dp, word[i]); 420 fout = fopen(settings.outfilename, "w");
315 } 421 } else {
316 if (closespan) { 422 fout = stdout;
317 memcpy(&(dest[dp]), "</span>", 7); 423 }
318 dp += 7; 424 fprintf(fout, "<pre>\n");
319 } 425 int lnw = lnint(inputfile->count);
320 } 426 for (int i = 0 ; i < inputfile->count ; i++) {
321 memset(word, 0, WORDBUF_SIZE); 427 if (settings.highlight) {
322 wp = 0; 428 parseline(inputfile->lines[i], line, &highlighter);
323 dp = writeescapedchar(dest, dp, c); 429 } else {
324 } else { 430 line = inputfile->lines[i];
325 /* read word */ 431 }
326 if (wp < WORDBUF_SIZE) { 432 fprintf(fout, "<span class=\"c2html-lineno\">%*d:</span> %s",
327 word[wp++] = c; 433 lnw, i+1, line);
328 } else if (wp == WORDBUF_SIZE) { 434 }
329 for (int i = 0 ; i < WORDBUF_SIZE ; i++) { 435 if (settings.highlight) {
330 dp = writeescapedchar(dest, dp, word[i]); 436 free(line);
331 } 437 }
332 wp++; 438 fprintf(fout, "</pre>\n");
333 dp = writeescapedchar(dest, dp, c); 439
334 } else { 440 if (fout != stdout) {
335 dp = writeescapedchar(dest, dp, c); 441 fclose(fout);
336 } 442 }
337 } 443
338 } 444 freeinputfilebuffer(inputfile);
339 445 }
340 isescaping = !isescaping & (c == '\\'); 446
341 }
342 }
343 dest[dp] = 0;
344 }
345
346 void printhelp() {
347 printf("Formats source code using HTML.\n\nUsage:\n"
348 " c2html [Options] FILE\n\n"
349 " Options:\n"
350 " -h Prints this help message\n"
351 " -j Highlight Java instead of C source code\n"
352 " -o <output> Output file (if not specified, stdout is used)\n"
353 " -p Disable highlighting (plain text)\n"
354 "\n");
355
356
357 }
358
359 int lnint(size_t lnc) {
360 int w = 1, p = 1;
361 while ((p*=10) < lnc) w++;
362 return w;
363 }
364
365 int main(int argc, char** argv) {
366
367 settings_t settings;
368 settings.outfilename = NULL;
369 settings.highlight = 1;
370
371 highlighter_t highlighter;
372 highlighter.isdirective = iscdirective;
373 highlighter.istype = isctype;
374 highlighter.keywords = ckeywords;
375
376 char optc;
377 while ((optc = getopt(argc, argv, "hjo:p")) != -1) {
378 switch (optc) {
379 case 'o':
380 if (!(optarg[0] == '-' && optarg[1] == 0)) {
381 settings.outfilename = optarg;
382 }
383 break;
384 case 'j':
385 highlighter.isdirective = isjdirective;
386 highlighter.istype = isjtype;
387 highlighter.keywords = jkeywords;
388 break;
389 case 'p':
390 settings.highlight = 0;
391 break;
392 case 'h':
393 printhelp();
394 return 0; 447 return 0;
395 default: 448 }
396 return 1; 449 }
397 } 450
398 }
399
400 if (optind != argc-1) {
401 printhelp();
402 return 1;
403 } else {
404 settings.infilename = argv[optind];
405
406 inputfile_t *inputfile = readinput(settings.infilename);
407 if (inputfile) {
408 FILE *fout;
409 char *line;
410 if (settings.highlight) {
411 line = (char*) malloc(inputfile->maxlinewidth*64);
412 } else {
413 line = NULL;
414 }
415 if (settings.outfilename) {
416 fout = fopen(settings.outfilename, "w");
417 } else {
418 fout = stdout;
419 }
420 fprintf(fout, "<pre>\n");
421 int lnw = lnint(inputfile->count);
422 for (int i = 0 ; i < inputfile->count ; i++) {
423 if (settings.highlight) {
424 parseline(inputfile->lines[i], line, &highlighter);
425 } else {
426 line = inputfile->lines[i];
427 }
428 fprintf(fout, "<span class=\"c2html-lineno\">%*d:</span> %s",
429 lnw, i+1, line);
430 }
431 if (settings.highlight) {
432 free(line);
433 }
434 fprintf(fout, "</pre>\n");
435
436 if (fout != stdout) {
437 fclose(fout);
438 }
439
440 freeinputfilebuffer(inputfile);
441 }
442
443 return 0;
444 }
445 }
446

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