-/* 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"
-int next_char(FILE *f)
+/*
+ * 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)
{
- int c = fgetc(f);
- if (c=='\r') {
- c = fgetc(f);
- if (c!='\n') {
- ungetc(c, f);
- c = '\r';
- }
- }
- return c;
-}
+ char *c, *cmd, *p;
+ struct cgit_repo *repo;
-void skip_line(FILE *f)
-{
- int c;
+ ctx.repo = NULL;
+ if (!url || url[0] == '\0')
+ return;
- while((c=next_char(f)) && c!='\n' && c!=EOF)
- ;
-}
+ ctx.repo = cgit_get_repoinfo(url);
+ if (ctx.repo) {
+ ctx.qry.repo = ctx.repo->url;
+ return;
+ }
-int read_config_line(FILE *f, char *line, const char **value, int bufsize)
-{
- int i = 0, isname = 0;
-
- *value = NULL;
- while(i<bufsize-1) {
- int c = next_char(f);
- if (!isname && (c=='#' || c==';')) {
- skip_line(f);
- continue;
+ cmd = NULL;
+ c = strchr(url, '/');
+ while (c) {
+ c[0] = '\0';
+ repo = cgit_get_repoinfo(url);
+ if (repo) {
+ ctx.repo = repo;
+ cmd = c;
}
- if (!isname && isspace(c))
- continue;
-
- if (c=='=' && !*value) {
- line[i] = 0;
- *value = &line[i+1];
- } else if (c=='\n' && !isname) {
- i = 0;
- continue;
- } else if (c=='\n' || c==EOF) {
- line[i] = 0;
- break;
- } else {
- line[i]=c;
+ c[0] = '/';
+ c = strchr(c + 1, '/');
+ }
+
+ if (ctx.repo) {
+ 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, '/');
}
- isname = 1;
- i++;
+ if (cmd[1])
+ ctx.qry.page = xstrdup(cmd + 1);
+ return;
}
- line[i+1] = 0;
- return i;
}
-int cgit_read_config(const char *filename, configfn fn)
+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 void parse_user(const char *t, char **name, char **email, unsigned long *date)
{
- int ret = 0, len;
- char line[256];
- const char *value;
- FILE *f = fopen(filename, "r");
+ struct ident_split ident;
+ unsigned email_len;
- if (!f)
- return -1;
+ if (!split_ident_line(&ident, t, strchrnul(t, '\n') - t)) {
+ *name = substr(ident.name_begin, ident.name_end);
- while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
- (*fn)(line, value);
+ email_len = ident.mail_end - ident.mail_begin;
+ *email = xmalloc(strlen("<") + email_len + strlen(">") + 1);
+ sprintf(*email, "<%.*s>", email_len, ident.mail_begin);
- fclose(f);
- return ret;
+ if (ident.date_begin)
+ *date = strtoul(ident.date_begin, NULL, 10);
+ }
}
-int cgit_parse_query(char *txt, configfn fn)
+#ifdef NO_ICONV
+#define reencode(a, b, c)
+#else
+static const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
{
- char *t, *value = NULL, c;
+ char *tmp;
if (!txt)
- return 0;
-
- t = txt = xstrdup(txt);
-
- while((c=*t) != '\0') {
- if (c=='=') {
- *t = '\0';
- value = t+1;
- } else if (c=='&') {
- *t = '\0';
- (*fn)(txt, value);
- txt = t+1;
- value = NULL;
- }
- t++;
+ 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;
}
- if (t!=txt)
- (*fn)(txt, value);
- return 0;
+ return *txt;
}
+#endif
-char *substr(const char *head, const char *tail)
+static const char *next_header_line(const char *p)
{
- char *buf;
+ p = strchr(p, '\n');
+ if (!p)
+ return NULL;
+ return p + 1;
+}
- buf = xmalloc(tail - head + 1);
- strncpy(buf, head, tail - head);
- buf[tail - head] = '\0';
- return buf;
+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;
- if (strncmp(p, "tree ", 5))
+ if (!p)
+ return ret;
+
+ if (!skip_prefix(p, "tree ", &p))
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);
- p = strchr(t, '\n') + 1;
+ p += sha1hex_len + 1;
+
+ while (skip_prefix(p, "parent ", &p))
+ p += sha1hex_len + 1;
+
+ if (p && skip_prefix(p, "author ", &p)) {
+ parse_user(p, &ret->author, &ret->author_email,
+ &ret->author_date);
+ p = next_header_line(p);
}
- 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);
- p = strchr(t, '\n') + 1;
+ if (p && skip_prefix(p, "committer ", &p)) {
+ parse_user(p, &ret->committer, &ret->committer_email,
+ &ret->committer_date);
+ p = next_header_line(p);
}
- while (*p == '\n')
- p = strchr(p, '\n') + 1;
+ if (p && skip_prefix(p, "encoding ", &p)) {
+ t = strchr(p, '\n');
+ if (t) {
+ ret->msg_encoding = substr(p, t + 1);
+ p = t + 1;
+ }
+ }
- t = strchr(p, '\n');
+ 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);
- p = t + 1;
+ 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;
+ const char *p;
+ struct taginfo *ret = NULL;
+
+ data = read_sha1_file(tag->object.sha1, &type, &size);
+ if (!data || type != OBJ_TAG)
+ goto cleanup;
+
+ ret = xcalloc(1, sizeof(struct taginfo));
+
+ 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);
+ }
+ }
+
+ while (p && *p == '\n')
+ p++;
- while (*p == '\n')
- p = strchr(p, '\n') + 1;
- ret->msg = p;
+ if (p && *p)
+ ret->msg = xstrdup(p);
+cleanup:
+ free(data);
return ret;
}