| 2020-09-02 | Give blank lines timestamps | a id='n65' href='#n65'>65
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/* config.c: parsing of config files
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
/*
* url syntax: [repo ['/' cmd [ '/' path]]]
* repo: any valid repo url, may contain '/'
* cmd: log | commit | diff | tree | view | blob | snapshot
* path: any valid path, may contain '/'
*
*/
void cgit_parse_url(const char *url)
{
char *cmd, *p;
ctx.repo = NULL;
if (!url || url[0] == '\0')
return;
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;
}
ctx.qry.repo = ctx.repo->url;
p = strchr(cmd + 1, '/');
if (p) {
p[0] = '\0';
if (p[1])
ctx.qry.path = trim_end(p + 1, '/');
}
if (cmd[1])
ctx.qry.page = xstrdup(cmd + 1);
return;
}
}
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';
return buf;
}
static char *parse_user(char *t, char **name, char **email, unsigned long *date)
{
char *p = t;
int mode = 1;
while (p && *p) {
if (mode == 1 && *p == '<') {
*name = substr(t, p - 1);
t = p;
mode++;
} else if (mode == 1 && *p == '\n') {
*name = substr(t, p);
p++;
break;
} else if (mode == 2 && *p == '>') {
*email = substr(t, p + 1);
t = p;
mode++;
} else if (mode == 2 && *p == '\n') {
*email = substr(t, p);
p++;
break;
} else if (mode == 3 && isdigit(*p)) {
*date = atol(p);
mode++;
} else if (*p == '\n') {
p++;
break;
}
p++;
}
return p;
}
#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
struct commitinfo *cgit_parse_commit(struct commit *commit)
{
struct commitinfo *ret;
char *p = commit->buffer, *t;
ret = xmalloc(sizeof(*ret));
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)
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 (p && !strncmp(p, "author ", 7)) {
p = parse_user(p + 7, &ret->author, &ret->author_email,
&ret->author_date);
}
if (p && !strncmp(p, "committer ", 9)) {
p = parse_user(p + 9, &ret->committer, &ret->committer_email,
&ret->committer_date);
}
if (p && !strncmp(p, "encoding ", 9)) {
p += 9;
t = strchr(p, '\n');
if (t) {
ret->msg_encoding = substr(p, t + 1);
p = t + 1;
}
}
/* if no special encoding is found, assume UTF-8 */
if (!ret->msg_encoding)
ret->msg_encoding = xstrdup("UTF-8");
// skip unknown header fields
while (p && *p && (*p != '\n')) {
p = strchr(p, '\n');
if (p)
p++;
}
// skip empty lines between headers and message
while (p && *p == '\n')
p++;
if (!p)
return ret;
t = strchr(p, '\n');
if (t) {
ret->subject = substr(p, t);
p = t + 1;
while (p && *p == '\n') {
p = strchr(p, '\n');
if (p)
p++;
}
if (p)
ret->msg = xstrdup(p);
} else
ret->subject = xstrdup(p);
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;
struct taginfo *ret;
data = read_sha1_file(tag->object.sha1, &type, &size);
if (!data || type != OBJ_TAG) {
free(data);
return 0;
}
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 = parse_user(p + 7, &ret->tagger, &ret->tagger_email,
&ret->tagger_date);
} else {
p = strchr(p, '\n');
if (p)
p++;
}
}
// skip empty lines between headers and message
while (p && *p == '\n')
p++;
if (p && *p)
ret->msg = xstrdup(p);
free(data);
return ret;
}
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