Add support for automatic and custom clone urls

[cgit.git] / parsing.c

diff --git a/parsing.c b/parsing.c
index 332d61c50b47329347fc463f4159f8cbca4fc401..5093b8b491eb9cf6e0100c29c75e9e0a075623f8 100644 (file)
--- a/parsing.c
+++ b/parsing.c
@@ -64,19 +64,23 @@ int read_config_line(FILE *f, char *line, const char **value, int bufsize)
 
 int cgit_read_config(const char *filename, configfn fn)
 {
-       int ret = 0, len;
+       static int nesting;
+       int len;
        char line[256];
        const char *value;
-       FILE *f = fopen(filename, "r");
+       FILE *f;
 
-       if (!f)
+       /* cancel deeply nested include-commands */
+       if (nesting > 8)
                return -1;
-
+       if (!(f = fopen(filename, "r")))
+               return -1;
+       nesting++;
        while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
                (*fn)(line, value);
-
+       nesting--;
        fclose(f);
-       return ret;
+       return 0;
 }
 
 char *convert_query_hexchar(char *txt)
@@ -106,7 +110,7 @@ int cgit_parse_query(char *txt, configfn fn)
                return 0;
 
        t = txt = xstrdup(txt);
- 
+
        while((c=*t) != '\0') {
                if (c=='=') {
                        *t = '\0';
@@ -128,6 +132,50 @@ int cgit_parse_query(char *txt, configfn fn)
        return 0;
 }
 
+/*
+ * 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;
+
+       cgit_repo = NULL;
+       if (!url || url[0] == '\0')
+               return;
+
+       cgit_repo = cgit_get_repoinfo(url);
+       if (cgit_repo) {
+               cgit_query_repo = cgit_repo->url;
+               return;
+       }
+
+       cmd = strchr(url, '/');
+       while (!cgit_repo && cmd) {
+               cmd[0] = '\0';
+               cgit_repo = cgit_get_repoinfo(url);
+               if (cgit_repo == NULL) {
+                       cmd[0] = '/';
+                       cmd = strchr(cmd + 1, '/');
+                       continue;
+               }
+
+               cgit_query_repo = cgit_repo->url;
+               p = strchr(cmd + 1, '/');
+               if (p) {
+                       p[0] = '\0';
+                       if (p[1])
+                               cgit_query_path = trim_end(p + 1, '/');
+               }
+               cgit_cmd = cgit_get_cmd_index(cmd + 1);
+               cgit_query_page = xstrdup(cmd + 1);
+               return;
+       }
+}
+
 char *substr(const char *head, const char *tail)
 {
        char *buf;
@@ -151,6 +199,10 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
        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));
@@ -167,7 +219,7 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
                p = t;
                t = strchr(t, '>') + 1;
                ret->author_email = substr(p, t);
-               ret->author_date = atol(++t);
+               ret->author_date = atol(t+1);
                p = strchr(t, '\n') + 1;
        }
 
@@ -178,22 +230,54 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
                p = t;
                t = strchr(t, '>') + 1;
                ret->committer_email = substr(p, t);
-               ret->committer_date = atol(++t);
+               ret->committer_date = atol(t+1);
                p = strchr(t, '\n') + 1;
        }
 
+       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 && *t) {
-               ret->subject = substr(p, t);
+       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 = p;
+               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;
+               }
+
+               t = reencode_string(ret->msg, PAGE_ENCODING,
+                                   ret->msg_encoding);
+               if(t) {
+                       free(ret->msg);
+                       ret->msg = t;
+               }
        }
+
        return ret;
 }
 
@@ -211,7 +295,7 @@ struct taginfo *cgit_parse_tag(struct tag *tag)
                free(data);
                return 0;
        }
-       
+
        ret = xmalloc(sizeof(*ret));
        ret->tagger = NULL;
        ret->tagger_email = NULL;
@@ -231,11 +315,14 @@ struct taginfo *cgit_parse_tag(struct tag *tag)
                        p = t;
                        t = strchr(t, '>') + 1;
                        ret->tagger_email = substr(p, t);
-                       ret->tagger_date = atol(++t);
+                       ret->tagger_date = atol(t+1);
                }
                p = strchr(p, '\n') + 1;
        }
 
+       while (p && *p && (*p != '\n'))
+               p = strchr(p, '\n') + 1; // skip unknown tag fields
+
        while (p && (*p == '\n'))
                p = strchr(p, '\n') + 1;
        if (p && *p)