d7482997 |
1 | /* |
2 | * main.c: command line parsing and top level |
3 | */ |
4 | |
5 | #include <stdio.h> |
6 | #include <stdlib.h> |
7 | #include "halibut.h" |
8 | |
9 | static void dbg_prtsource(paragraph *sourceform); |
10 | static void dbg_prtwordlist(int level, word *w); |
11 | static void dbg_prtkws(keywordlist *kws); |
12 | |
13 | int main(int argc, char **argv) { |
14 | char **infiles; |
15 | char *outfile; |
16 | int nfiles; |
17 | int nogo; |
18 | int errs; |
19 | int reportcols; |
20 | int debug; |
21 | |
22 | /* |
23 | * Set up initial (default) parameters. |
24 | */ |
25 | infiles = mknewa(char *, argc); |
26 | outfile = NULL; |
27 | nfiles = 0; |
28 | nogo = errs = FALSE; |
29 | reportcols = 0; |
30 | debug = 0; |
31 | |
32 | if (argc == 1) { |
33 | usage(); |
34 | exit(EXIT_SUCCESS); |
35 | } |
36 | |
37 | /* |
38 | * Parse command line arguments. |
39 | */ |
40 | while (--argc) { |
41 | char *p = *++argv; |
42 | if (*p == '-') { |
43 | /* |
44 | * An option. |
45 | */ |
46 | while (p && *++p) { |
47 | char c = *p; |
48 | switch (c) { |
49 | case '-': |
50 | /* |
51 | * Long option. |
52 | */ |
53 | { |
54 | char *opt, *val; |
55 | opt = p++; /* opt will have _one_ leading - */ |
56 | while (*p && *p != '=') |
57 | p++; /* find end of option */ |
58 | if (*p == '=') { |
59 | *p++ = '\0'; |
60 | val = p; |
61 | } else |
62 | val = NULL; |
63 | if (!strcmp(opt, "-help")) { |
64 | help(); |
65 | nogo = TRUE; |
66 | } else if (!strcmp(opt, "-version")) { |
67 | showversion(); |
68 | nogo = TRUE; |
69 | } else if (!strcmp(opt, "-licence") || |
70 | !strcmp(opt, "-license")) { |
71 | licence(); |
72 | nogo = TRUE; |
73 | } else if (!strcmp(opt, "-output")) { |
74 | if (!val) |
75 | errs = TRUE, error(err_optnoarg, opt); |
76 | else |
77 | outfile = val; |
78 | } else if (!strcmp(opt, "-precise")) { |
79 | reportcols = 1; |
80 | } else { |
81 | errs = TRUE, error(err_nosuchopt, opt); |
82 | } |
83 | } |
84 | p = NULL; |
85 | break; |
86 | case 'h': |
87 | case 'V': |
88 | case 'L': |
89 | case 'P': |
90 | case 'd': |
91 | /* |
92 | * Option requiring no parameter. |
93 | */ |
94 | switch (c) { |
95 | case 'h': |
96 | help(); |
97 | nogo = TRUE; |
98 | break; |
99 | case 'V': |
100 | showversion(); |
101 | nogo = TRUE; |
102 | break; |
103 | case 'L': |
104 | licence(); |
105 | nogo = TRUE; |
106 | break; |
107 | case 'P': |
108 | reportcols = 1; |
109 | break; |
110 | case 'd': |
111 | debug = TRUE; |
112 | break; |
113 | } |
114 | break; |
115 | case 'o': |
116 | /* |
117 | * Option requiring parameter. |
118 | */ |
119 | p++; |
120 | if (!*p && argc > 1) |
121 | --argc, p = *++argv; |
122 | else if (!*p) { |
123 | char opt[2]; |
124 | opt[0] = c; |
125 | opt[1] = '\0'; |
126 | errs = TRUE, error(err_optnoarg, opt); |
127 | } |
128 | /* |
129 | * Now c is the option and p is the parameter. |
130 | */ |
131 | switch (c) { |
132 | case 'o': |
133 | outfile = p; |
134 | break; |
135 | } |
136 | p = NULL; /* prevent continued processing */ |
137 | break; |
138 | default: |
139 | /* |
140 | * Unrecognised option. |
141 | */ |
142 | { |
143 | char opt[2]; |
144 | opt[0] = c; |
145 | opt[1] = '\0'; |
146 | errs = TRUE, error(err_nosuchopt, opt); |
147 | } |
148 | } |
149 | } |
150 | } else { |
151 | /* |
152 | * A non-option argument. |
153 | */ |
154 | infiles[nfiles++] = p; |
155 | } |
156 | } |
157 | |
158 | if (errs) |
159 | exit(EXIT_FAILURE); |
160 | if (nogo) |
161 | exit(EXIT_SUCCESS); |
162 | |
163 | /* |
164 | * Do the work. |
165 | */ |
166 | if (nfiles == 0) { |
167 | error(err_noinput); |
168 | usage(); |
169 | exit(EXIT_FAILURE); |
170 | } |
171 | |
172 | { |
173 | input in; |
174 | paragraph *sourceform, *p; |
175 | indexdata *idx; |
176 | keywordlist *keywords; |
177 | |
178 | in.filenames = infiles; |
179 | in.nfiles = nfiles; |
180 | in.currfp = NULL; |
181 | in.currindex = 0; |
182 | in.npushback = in.pushbacksize = 0; |
183 | in.pushback = NULL; |
184 | in.reportcols = reportcols; |
185 | in.stack = NULL; |
186 | |
187 | idx = make_index(); |
188 | |
189 | sourceform = read_input(&in, idx); |
190 | if (!sourceform) |
191 | exit(EXIT_FAILURE); |
192 | |
193 | sfree(in.pushback); |
194 | |
195 | mark_attr_ends(sourceform); |
196 | |
197 | sfree(infiles); |
198 | |
199 | keywords = get_keywords(sourceform); |
200 | if (!keywords) |
201 | exit(EXIT_FAILURE); |
202 | gen_citations(sourceform, keywords); |
203 | subst_keywords(sourceform, keywords); |
204 | |
205 | for (p = sourceform; p; p = p->next) |
206 | if (p->type == para_IM) |
207 | index_merge(idx, TRUE, p->keyword, p->words); |
208 | |
209 | build_index(idx); |
210 | |
211 | if (debug) { |
212 | index_debug(idx); |
213 | dbg_prtkws(keywords); |
214 | dbg_prtsource(sourceform); |
215 | } |
216 | |
217 | text_backend(sourceform, keywords, idx); |
218 | xhtml_backend(sourceform, keywords, idx); |
219 | whlp_backend(sourceform, keywords, idx); |
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220 | man_backend(sourceform, keywords, idx); |
d7482997 |
221 | |
222 | free_para_list(sourceform); |
223 | free_keywords(keywords); |
224 | cleanup_index(idx); |
225 | } |
226 | |
227 | return 0; |
228 | } |
229 | |
230 | static void dbg_prtsource(paragraph *sourceform) { |
231 | /* |
232 | * Output source form in debugging format. |
233 | */ |
234 | |
235 | paragraph *p; |
236 | for (p = sourceform; p; p = p->next) { |
237 | wchar_t *wp; |
238 | printf("para %d ", p->type); |
239 | if (p->keyword) { |
240 | wp = p->keyword; |
241 | while (*wp) { |
242 | putchar('\"'); |
243 | for (; *wp; wp++) |
244 | putchar(*wp); |
245 | putchar('\"'); |
246 | if (*++wp) |
247 | printf(", "); |
248 | } |
249 | } else |
250 | printf("(no keyword)"); |
251 | printf(" {\n"); |
252 | dbg_prtwordlist(1, p->words); |
253 | printf("}\n"); |
254 | } |
255 | } |
256 | |
257 | static void dbg_prtkws(keywordlist *kws) { |
258 | /* |
259 | * Output keywords in debugging format. |
260 | */ |
261 | |
262 | int i; |
263 | keyword *kw; |
264 | |
265 | for (i = 0; (kw = index234(kws->keys, i)) != NULL; i++) { |
266 | wchar_t *wp; |
267 | printf("keyword "); |
268 | wp = kw->key; |
269 | while (*wp) { |
270 | putchar('\"'); |
271 | for (; *wp; wp++) |
272 | putchar(*wp); |
273 | putchar('\"'); |
274 | if (*++wp) |
275 | printf(", "); |
276 | } |
277 | printf(" {\n"); |
278 | dbg_prtwordlist(1, kw->text); |
279 | printf("}\n"); |
280 | } |
281 | } |
282 | |
283 | static void dbg_prtwordlist(int level, word *w) { |
284 | for (; w; w = w->next) { |
285 | wchar_t *wp; |
286 | printf("%*sword %d ", level*4, "", w->type); |
287 | if (w->text) { |
288 | printf("\""); |
289 | for (wp = w->text; *wp; wp++) |
290 | putchar(*wp); |
291 | printf("\""); |
292 | } else |
293 | printf("(no text)"); |
294 | if (w->alt) { |
295 | printf(" alt = {\n"); |
296 | dbg_prtwordlist(level+1, w->alt); |
297 | printf("%*s}", level*4, ""); |
298 | } |
299 | printf("\n"); |
300 | } |
301 | } |