-/* config.c: parsing of config files
+/* parsing.c: parsing of config files
*
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
#include "cgit.h"
-char *convert_query_hexchar(char *txt)
-{
- int d1, d2;
- if (strlen(txt) < 3) {
- *txt = '\0';
- return txt-1;
- }
- d1 = hextoint(*(txt+1));
- d2 = hextoint(*(txt+2));
- if (d1<0 || d2<0) {
- strcpy(txt, txt+3);
- return txt-1;
- } else {
- *txt = d1 * 16 + d2;
- strcpy(txt+1, txt+3);
- return txt;
- }
-}
-
-int cgit_parse_query(char *txt, configfn fn)
-{
- char *t, *value = NULL, c;
-
- if (!txt)
- return 0;
-
- t = txt = xstrdup(txt);
-
- while((c=*t) != '\0') {
- if (c=='=') {
- *t = '\0';
- value = t+1;
- } else if (c=='+') {
- *t = ' ';
- } else if (c=='%') {
- t = convert_query_hexchar(t);
- } else if (c=='&') {
- *t = '\0';
- (*fn)(txt, value);
- txt = t+1;
- value = NULL;
- }
- t++;
- }
- if (t!=txt)
- (*fn)(txt, value);
- return 0;
-}
-
/*
* url syntax: [repo ['/' cmd [ '/' path]]]
* repo: any valid repo url, may contain '/'
*/
void cgit_parse_url(const char *url)
{
- char *cmd, *p;
+ char *c, *cmd, *p;
+ struct cgit_repo *repo;
- ctx.repo = NULL;
if (!url || url[0] == '\0')
return;
+ ctx.qry.page = NULL;
ctx.repo = cgit_get_repoinfo(url);
if (ctx.repo) {
ctx.qry.repo = ctx.repo->url;
return;
}
- cmd = strchr(url, '/');
- while (!ctx.repo && cmd) {
- cmd[0] = '\0';
- ctx.repo = cgit_get_repoinfo(url);
- if (ctx.repo == NULL) {
- cmd[0] = '/';
- cmd = strchr(cmd + 1, '/');
- continue;
+ cmd = NULL;
+ c = strchr(url, '/');
+ while (c) {
+ c[0] = '\0';
+ repo = cgit_get_repoinfo(url);
+ if (repo) {
+ ctx.repo = repo;
+ cmd = c;
}
+ c[0] = '/';
+ c = strchr(c + 1, '/');
+ }
+ if (ctx.repo) {
ctx.qry.repo = ctx.repo->url;
p = strchr(cmd + 1, '/');
if (p) {
}
if (cmd[1])
ctx.qry.page = xstrdup(cmd + 1);
- return;
}
}
-char *substr(const char *head, const char *tail)
+static char *substr(const char *head, const char *tail)
{
char *buf;
+ if (tail < head)
+ return xstrdup("");
buf = xmalloc(tail - head + 1);
- strncpy(buf, head, tail - head);
- buf[tail - head] = '\0';
+ strlcpy(buf, head, tail - head + 1);
return buf;
}
+static void parse_user(const char *t, char **name, char **email, unsigned long *date, int *tz)
+{
+ struct ident_split ident;
+ unsigned email_len;
+
+ if (!split_ident_line(&ident, t, strchrnul(t, '\n') - t)) {
+ *name = substr(ident.name_begin, ident.name_end);
+
+ email_len = ident.mail_end - ident.mail_begin;
+ *email = xmalloc(strlen("<") + email_len + strlen(">") + 1);
+ xsnprintf(*email, email_len + 3, "<%.*s>", email_len, ident.mail_begin);
+
+ if (ident.date_begin)
+ *date = strtoul(ident.date_begin, NULL, 10);
+ if (ident.tz_begin)
+ *tz = atoi(ident.tz_begin);
+ }
+}
+
+#ifdef NO_ICONV
+#define reencode(a, b, c)
+#else
+static const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
+{
+ char *tmp;
+
+ if (!txt)
+ return NULL;
+
+ if (!*txt || !src_enc || !dst_enc)
+ return *txt;
+
+ /* no encoding needed if src_enc equals dst_enc */
+ if (!strcasecmp(src_enc, dst_enc))
+ return *txt;
+
+ tmp = reencode_string(*txt, dst_enc, src_enc);
+ if (tmp) {
+ free(*txt);
+ *txt = tmp;
+ }
+ return *txt;
+}
+#endif
+
+static const char *next_header_line(const char *p)
+{
+ p = strchr(p, '\n');
+ if (!p)
+ return NULL;
+ return p + 1;
+}
+
+static int end_of_header(const char *p)
+{
+ return !p || (*p == '\n');
+}
+
struct commitinfo *cgit_parse_commit(struct commit *commit)
{
+ const int sha1hex_len = 40;
struct commitinfo *ret;
- char *p = commit->buffer, *t = commit->buffer;
+ const char *p = get_cached_commit_buffer(commit, NULL);
+ const char *t;
- ret = xmalloc(sizeof(*ret));
+ ret = xcalloc(1, sizeof(struct commitinfo));
ret->commit = commit;
- ret->author = NULL;
- ret->author_email = NULL;
- ret->committer = NULL;
- ret->committer_email = NULL;
- ret->subject = NULL;
- ret->msg = NULL;
- ret->msg_encoding = NULL;
-
- if (p == NULL)
+
+ if (!p)
return ret;
- if (strncmp(p, "tree ", 5))
- die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
- else
- p += 46; // "tree " + hex[40] + "\n"
-
- while (!strncmp(p, "parent ", 7))
- p += 48; // "parent " + hex[40] + "\n"
-
- if (!strncmp(p, "author ", 7)) {
- p += 7;
- t = strchr(p, '<') - 1;
- ret->author = substr(p, t);
- p = t;
- t = strchr(t, '>') + 1;
- ret->author_email = substr(p, t);
- ret->author_date = atol(t+1);
- p = strchr(t, '\n') + 1;
- }
+ if (!skip_prefix(p, "tree ", &p))
+ die("Bad commit: %s", oid_to_hex(&commit->object.oid));
+ p += sha1hex_len + 1;
+
+ while (skip_prefix(p, "parent ", &p))
+ p += sha1hex_len + 1;
- if (!strncmp(p, "committer ", 9)) {
- p += 9;
- t = strchr(p, '<') - 1;
- ret->committer = substr(p, t);
- p = t;
- t = strchr(t, '>') + 1;
- ret->committer_email = substr(p, t);
- ret->committer_date = atol(t+1);
- p = strchr(t, '\n') + 1;
+ if (p && skip_prefix(p, "author ", &p)) {
+ parse_user(p, &ret->author, &ret->author_email,
+ &ret->author_date, &ret->author_tz);
+ p = next_header_line(p);
}
- if (!strncmp(p, "encoding ", 9)) {
- p += 9;
- t = strchr(p, '\n') + 1;
- ret->msg_encoding = substr(p, t);
- p = t;
- } else
- ret->msg_encoding = xstrdup(PAGE_ENCODING);
-
- while (*p && (*p != '\n'))
- p = strchr(p, '\n') + 1; // skip unknown header fields
-
- while (*p == '\n')
- p = strchr(p, '\n') + 1;
-
- t = strchr(p, '\n');
- if (t) {
- if (*t == '\0')
- ret->subject = "** empty **";
- else
- ret->subject = substr(p, t);
- p = t + 1;
-
- while (*p == '\n')
- p = strchr(p, '\n') + 1;
- ret->msg = xstrdup(p);
- } else
- ret->subject = substr(p, p+strlen(p));
-
- if(strcmp(ret->msg_encoding, PAGE_ENCODING)) {
- t = reencode_string(ret->subject, PAGE_ENCODING,
- ret->msg_encoding);
- if(t) {
- free(ret->subject);
- ret->subject = t;
- }
+ if (p && skip_prefix(p, "committer ", &p)) {
+ parse_user(p, &ret->committer, &ret->committer_email,
+ &ret->committer_date, &ret->committer_tz);
+ p = next_header_line(p);
+ }
- t = reencode_string(ret->msg, PAGE_ENCODING,
- ret->msg_encoding);
- if(t) {
- free(ret->msg);
- ret->msg = t;
+ if (p && skip_prefix(p, "encoding ", &p)) {
+ t = strchr(p, '\n');
+ if (t) {
+ ret->msg_encoding = substr(p, t + 1);
+ p = t + 1;
}
}
+ if (!ret->msg_encoding)
+ ret->msg_encoding = xstrdup("UTF-8");
+
+ while (!end_of_header(p))
+ p = next_header_line(p);
+ while (p && *p == '\n')
+ p++;
+ if (!p)
+ return ret;
+
+ t = strchrnul(p, '\n');
+ ret->subject = substr(p, t);
+ while (*t == '\n')
+ t++;
+ ret->msg = xstrdup(t);
+
+ reencode(&ret->author, ret->msg_encoding, PAGE_ENCODING);
+ reencode(&ret->author_email, ret->msg_encoding, PAGE_ENCODING);
+ reencode(&ret->committer, ret->msg_encoding, PAGE_ENCODING);
+ reencode(&ret->committer_email, ret->msg_encoding, PAGE_ENCODING);
+ reencode(&ret->subject, ret->msg_encoding, PAGE_ENCODING);
+ reencode(&ret->msg, ret->msg_encoding, PAGE_ENCODING);
+
return ret;
}
-
struct taginfo *cgit_parse_tag(struct tag *tag)
{
void *data;
enum object_type type;
unsigned long size;
- char *p, *t;
- struct taginfo *ret;
+ const char *p;
+ struct taginfo *ret = NULL;
- data = read_sha1_file(tag->object.sha1, &type, &size);
- if (!data || type != OBJ_TAG) {
- free(data);
- return 0;
- }
+ data = read_object_file(&tag->object.oid, &type, &size);
+ if (!data || type != OBJ_TAG)
+ goto cleanup;
+
+ ret = xcalloc(1, sizeof(struct taginfo));
- ret = xmalloc(sizeof(*ret));
- ret->tagger = NULL;
- ret->tagger_email = NULL;
- ret->tagger_date = 0;
- ret->msg = NULL;
-
- p = data;
-
- while (p && *p) {
- if (*p == '\n')
- break;
-
- if (!strncmp(p, "tagger ", 7)) {
- p += 7;
- t = strchr(p, '<') - 1;
- ret->tagger = substr(p, t);
- p = t;
- t = strchr(t, '>') + 1;
- ret->tagger_email = substr(p, t);
- ret->tagger_date = atol(t+1);
+ for (p = data; !end_of_header(p); p = next_header_line(p)) {
+ if (skip_prefix(p, "tagger ", &p)) {
+ parse_user(p, &ret->tagger, &ret->tagger_email,
+ &ret->tagger_date, &ret->tagger_tz);
}
- p = strchr(p, '\n') + 1;
}
- while (p && *p && (*p != '\n'))
- p = strchr(p, '\n') + 1; // skip unknown tag fields
+ while (p && *p == '\n')
+ p++;
- while (p && (*p == '\n'))
- p = strchr(p, '\n') + 1;
if (p && *p)
ret->msg = xstrdup(p);
+
+cleanup:
free(data);
return ret;
}