rpm  5.2.1
parseDescription.c
Go to the documentation of this file.
1 
6 #include "system.h"
7 
8 #include <rpmio.h>
9 #include <rpmiotypes.h>
10 #include <rpmlog.h>
11 #include "rpmbuild.h"
12 #include "debug.h"
13 
14 /*@-exportheadervar@*/
15 /*@unchecked@*/
16 extern int noLang;
17 /*@=exportheadervar@*/
18 
19 /* These have to be global scope to make up for *stupid* compilers */
20 /*@unchecked@*/
21  /*@observer@*/ /*@null@*/ static const char *name = NULL;
22 /*@unchecked@*/
23  /*@observer@*/ /*@null@*/ static const char *lang = NULL;
24 
25 /*@unchecked@*/
26  static struct poptOption optionsTable[] = {
27  { NULL, 'n', POPT_ARG_STRING, &name, 0, NULL, NULL},
28  { NULL, 'l', POPT_ARG_STRING, &lang, 0, NULL, NULL},
29  { 0, 0, 0, 0, 0, NULL, NULL}
30  };
31 
33  /*@globals name, lang @*/
34  /*@modifies name, lang @*/
35 {
36  rpmParseState nextPart = (rpmParseState) RPMRC_FAIL; /* assume error */
37  rpmiob iob;
38  int flag = PART_SUBNAME;
39  Package pkg;
40  int rc, argc;
41  int arg;
42  const char **argv = NULL;
43  poptContext optCon = NULL;
44  spectag t = NULL;
45 
46  { char * se = strchr(spec->line, '#');
47  if (se) {
48  *se = '\0';
49  while (--se >= spec->line && strchr(" \t\n\r", *se) != NULL)
50  *se = '\0';
51  }
52  }
53 
54  if ((rc = poptParseArgvString(spec->line, &argc, &argv))) {
55  rpmlog(RPMLOG_ERR, _("line %d: Error parsing %%description: %s\n"),
56  spec->lineNum, poptStrerror(rc));
57  return RPMRC_FAIL;
58  }
59 
60  name = NULL;
62  optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
63  while ((arg = poptGetNextOpt(optCon)) > 0)
64  {;}
65  if (name != NULL)
66  flag = PART_NAME;
67 
68  if (arg < -1) {
69  rpmlog(RPMLOG_ERR, _("line %d: Bad option %s: %s\n"),
70  spec->lineNum,
71  poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
72  spec->line);
73  goto exit;
74  }
75 
76  if (poptPeekArg(optCon)) {
77  if (name == NULL)
78  name = poptGetArg(optCon);
79  if (poptPeekArg(optCon)) {
80  rpmlog(RPMLOG_ERR, _("line %d: Too many names: %s\n"),
81  spec->lineNum, spec->line);
82  goto exit;
83  }
84  }
85 
86  if (lookupPackage(spec, name, flag, &pkg) != RPMRC_OK) {
87  rpmlog(RPMLOG_ERR, _("line %d: Package does not exist: %s\n"),
88  spec->lineNum, spec->line);
89  goto exit;
90  }
91 
92  /* Lose the inheirited %description (if present). */
93  { HE_t he = memset(alloca(sizeof(*he)), 0, sizeof(*he));
94  int xx;
95  he->tag = RPMTAG_DESCRIPTION;
96  xx = headerGet(pkg->header, he, 0);
97  he->p.ptr = _free(he->p.ptr);
98  if (xx && he->t == RPM_STRING_TYPE)
99  xx = headerDel(pkg->header, he, 0);
100  }
101 
102  t = stashSt(spec, pkg->header, RPMTAG_DESCRIPTION, lang);
103 
104  iob = rpmiobNew(0);
105 
106  if ((rc = readLine(spec, STRIP_TRAILINGSPACE | STRIP_COMMENTS)) > 0) {
107  nextPart = PART_NONE;
108  } else {
109  if (rc) {
110  nextPart = (rpmParseState) RPMRC_FAIL;
111  goto exit;
112  }
113  while ((nextPart = isPart(spec)) == PART_NONE) {
114  iob = rpmiobAppend(iob, spec->line, 1);
115  if (t) t->t_nlines++;
116  if ((rc =
118  nextPart = PART_NONE;
119  break;
120  }
121  if (rc) {
122  nextPart = (rpmParseState) RPMRC_FAIL;
123  goto exit;
124  }
125  }
126  }
127 
128  iob = rpmiobRTrim(iob);
129  if (!(noLang && strcmp(lang, RPMBUILD_DEFAULT_LANG))) {
131  rpmiobStr(iob), lang);
132  }
133 
134  iob = rpmiobFree(iob);
135 
136 exit:
137  argv = _free(argv);
138  optCon = poptFreeContext(optCon);
139  return nextPart;
140 }