]> git.cameronkatri.com Git - cgit.git/blobdiff - shared.c
Use skip_prefix() to get rid of magic constants
[cgit.git] / shared.c
index cc06930f68acad64c430ae1fea7c8bdd9c13ae60..571fbba6cb67ba6d623e544348d58380e168d614 100644 (file)
--- a/shared.c
+++ b/shared.c
@@ -1,13 +1,12 @@
 /* shared.c: global vars + some callback functions
  *
- * 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"
-#include <stdio.h>
 
 struct cgit_repolist cgit_repolist;
 struct cgit_context ctx;
@@ -15,21 +14,21 @@ struct cgit_context ctx;
 int chk_zero(int result, char *msg)
 {
        if (result != 0)
-               die("%s: %s", msg, strerror(errno));
+               die_errno("%s", msg);
        return result;
 }
 
 int chk_positive(int result, char *msg)
 {
        if (result <= 0)
-               die("%s: %s", msg, strerror(errno));
+               die_errno("%s", msg);
        return result;
 }
 
 int chk_non_negative(int result, char *msg)
 {
        if (result < 0)
-               die("%s: %s", msg, strerror(errno));
+               die_errno("%s", msg);
        return result;
 }
 
@@ -55,6 +54,7 @@ struct cgit_repo *cgit_add_repo(const char *url)
        ret->path = NULL;
        ret->desc = cgit_default_repo_desc;
        ret->owner = NULL;
+       ret->homepage = NULL;
        ret->section = ctx.cfg.section;
        ret->snapshots = ctx.cfg.snapshots;
        ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
@@ -62,7 +62,9 @@ struct cgit_repo *cgit_add_repo(const char *url)
        ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
        ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
        ret->enable_subject_links = ctx.cfg.enable_subject_links;
+       ret->enable_html_serving = ctx.cfg.enable_html_serving;
        ret->max_stats = ctx.cfg.max_stats;
+       ret->branch_sort = ctx.cfg.branch_sort;
        ret->commit_sort = ctx.cfg.commit_sort;
        ret->module_link = ctx.cfg.module_link;
        ret->readme = ctx.cfg.readme;
@@ -70,8 +72,11 @@ struct cgit_repo *cgit_add_repo(const char *url)
        ret->about_filter = ctx.cfg.about_filter;
        ret->commit_filter = ctx.cfg.commit_filter;
        ret->source_filter = ctx.cfg.source_filter;
+       ret->email_filter = ctx.cfg.email_filter;
+       ret->owner_filter = ctx.cfg.owner_filter;
        ret->clone_url = ctx.cfg.clone_url;
        ret->submodules.strdup_strings = 1;
+       ret->hide = ret->ignore = 0;
        return ret;
 }
 
@@ -82,13 +87,15 @@ struct cgit_repo *cgit_get_repoinfo(const char *url)
 
        for (i = 0; i < cgit_repolist.count; i++) {
                repo = &cgit_repolist.repos[i];
+               if (repo->ignore)
+                       continue;
                if (!strcmp(repo->url, url))
                        return repo;
        }
        return NULL;
 }
 
-void *cgit_free_commitinfo(struct commitinfo *info)
+void cgit_free_commitinfo(struct commitinfo *info)
 {
        free(info->author);
        free(info->author_email);
@@ -98,7 +105,6 @@ void *cgit_free_commitinfo(struct commitinfo *info)
        free(info->msg);
        free(info->msg_encoding);
        free(info);
-       return NULL;
 }
 
 char *trim_end(const char *str, char c)
@@ -115,6 +121,27 @@ char *trim_end(const char *str, char c)
        return xstrndup(str, len);
 }
 
+char *ensure_end(const char *str, char c)
+{
+       size_t len = strlen(str);
+       char *result;
+
+       if (len && str[len - 1] == c)
+               return xstrndup(str, len);
+
+       result = xmalloc(len + 2);
+       memcpy(result, str, len);
+       result[len] = '/';
+       result[len + 1] = '\0';
+       return result;
+}
+
+void strbuf_ensure_end(struct strbuf *sb, char c)
+{
+       if (!sb->len || sb->buf[sb->len - 1] != c)
+               strbuf_addch(sb, c);
+}
+
 char *strlpart(char *txt, int maxlen)
 {
        char *result;
@@ -158,13 +185,13 @@ void cgit_add_ref(struct reflist *list, struct refinfo *ref)
        list->refs[list->count++] = ref;
 }
 
-static struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
+static struct refinfo *cgit_mk_refinfo(const char *refname, const struct object_id *oid)
 {
        struct refinfo *ref;
 
        ref = xmalloc(sizeof (struct refinfo));
        ref->refname = xstrdup(refname);
-       ref->object = parse_object(sha1);
+       ref->object = parse_object(oid->hash);
        switch (ref->object->type) {
        case OBJ_TAG:
                ref->tag = cgit_parse_tag((struct tag *)ref->object);
@@ -176,7 +203,7 @@ static struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char
        return ref;
 }
 
-static void cgit_free_taginfo(struct taginfo *tag)
+void cgit_free_taginfo(struct taginfo *tag)
 {
        if (tag->tagger)
                free(tag->tagger);
@@ -212,19 +239,19 @@ void cgit_free_reflist_inner(struct reflist *list)
        free(list->refs);
 }
 
-int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
+int cgit_refs_cb(const char *refname, const struct object_id *oid, int flags,
                  void *cb_data)
 {
        struct reflist *list = (struct reflist *)cb_data;
-       struct refinfo *info = cgit_mk_refinfo(refname, sha1);
+       struct refinfo *info = cgit_mk_refinfo(refname, oid);
 
        if (info)
                cgit_add_ref(list, info);
        return 0;
 }
 
-static void cgit_diff_tree_cb(struct diff_queue_struct *q,
-                             struct diff_options *options, void *data)
+void cgit_diff_tree_cb(struct diff_queue_struct *q,
+                      struct diff_options *options, void *data)
 {
        int i;
 
@@ -235,15 +262,15 @@ static void cgit_diff_tree_cb(struct diff_queue_struct *q,
        }
 }
 
-static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
+static int load_mmfile(mmfile_t *file, const struct object_id *oid)
 {
        enum object_type type;
 
-       if (is_null_sha1(sha1)) {
+       if (is_null_oid(oid)) {
                file->ptr = (char *)"";
                file->size = 0;
        } else {
-               file->ptr = read_sha1_file(sha1, &type,
+               file->ptr = read_sha1_file(oid->hash, &type,
                                           (unsigned long *)&file->size);
        }
        return 1;
@@ -257,8 +284,8 @@ static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
  * ripped from git and modified to use globals instead of
  * a special callback-struct.
  */
-char *diffbuf = NULL;
-int buflen = 0;
+static char *diffbuf = NULL;
+static int buflen = 0;
 
 static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
 {
@@ -294,8 +321,8 @@ static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
        return 0;
 }
 
-int cgit_diff_files(const unsigned char *old_sha1,
-                   const unsigned char *new_sha1, unsigned long *old_size,
+int cgit_diff_files(const struct object_id *old_oid,
+                   const struct object_id *new_oid, unsigned long *old_size,
                    unsigned long *new_size, int *binary, int context,
                    int ignorews, linediff_fn fn)
 {
@@ -304,7 +331,7 @@ int cgit_diff_files(const unsigned char *old_sha1,
        xdemitconf_t emit_params;
        xdemitcb_t emit_cb;
 
-       if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
+       if (!load_mmfile(&file1, old_oid) || !load_mmfile(&file2, new_oid))
                return 1;
 
        *old_size = file1.size;
@@ -338,13 +365,14 @@ int cgit_diff_files(const unsigned char *old_sha1,
        return 0;
 }
 
-void cgit_diff_tree(const unsigned char *old_sha1,
-                   const unsigned char *new_sha1,
+void cgit_diff_tree(const struct object_id *old_oid,
+                   const struct object_id *new_oid,
                    filepair_fn fn, const char *prefix, int ignorews)
 {
        struct diff_options opt;
        struct pathspec_item item;
 
+       memset(&item, 0, sizeof(item));
        diff_setup(&opt);
        opt.output_format = DIFF_FORMAT_CALLBACK;
        opt.detect_rename = 1;
@@ -362,48 +390,49 @@ void cgit_diff_tree(const unsigned char *old_sha1,
        }
        diff_setup_done(&opt);
 
-       if (old_sha1 && !is_null_sha1(old_sha1))
-               diff_tree_sha1(old_sha1, new_sha1, "", &opt);
+       if (old_oid && !is_null_oid(old_oid))
+               diff_tree_sha1(old_oid->hash, new_oid->hash, "", &opt);
        else
-               diff_root_tree_sha1(new_sha1, "", &opt);
+               diff_root_tree_sha1(new_oid->hash, "", &opt);
        diffcore_std(&opt);
        diff_flush(&opt);
 }
 
 void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
 {
-       unsigned char *old_sha1 = NULL;
+       const struct object_id *old_oid = NULL;
 
        if (commit->parents)
-               old_sha1 = commit->parents->item->object.sha1;
-       cgit_diff_tree(old_sha1, commit->object.sha1, fn, prefix,
+               old_oid = &commit->parents->item->object.oid;
+       cgit_diff_tree(old_oid, &commit->object.oid, fn, prefix,
                       ctx.qry.ignorews);
 }
 
 int cgit_parse_snapshots_mask(const char *str)
 {
+       struct string_list tokens = STRING_LIST_INIT_DUP;
+       struct string_list_item *item;
        const struct cgit_snapshot_format *f;
-       static const char *delim = " \t,:/|;";
-       int tl, sl, rv = 0;
+       int rv = 0;
 
        /* favor legacy setting */
        if (atoi(str))
                return 1;
-       for (;;) {
-               str += strspn(str, delim);
-               tl = strcspn(str, delim);
-               if (!tl)
-                       break;
+
+       string_list_split(&tokens, str, ' ', -1);
+       string_list_remove_empty_items(&tokens, 0);
+
+       for_each_string_list_item(item, &tokens) {
                for (f = cgit_snapshot_formats; f->suffix; f++) {
-                       sl = strlen(f->suffix);
-                       if ((tl == sl && !strncmp(f->suffix, str, tl)) ||
-                          (tl == sl - 1 && !strncmp(f->suffix + 1, str, tl - 1))) {
+                       if (!strcmp(item->string, f->suffix) ||
+                           !strcmp(item->string, f->suffix + 1)) {
                                rv |= f->bit;
                                break;
                        }
                }
-               str += tl;
        }
+
+       string_list_clear(&tokens, 0);
        return rv;
 }
 
@@ -434,41 +463,6 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
                        fprintf(stderr, warn, p->name, p->value);
 }
 
-int cgit_open_filter(struct cgit_filter *filter)
-{
-
-       filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
-               "Unable to duplicate STDOUT");
-       chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
-       filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
-       if (filter->pid == 0) {
-               close(filter->pipe_fh[1]);
-               chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
-                       "Unable to use pipe as STDIN");
-               execvp(filter->cmd, filter->argv);
-               die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
-                       strerror(errno), errno);
-       }
-       close(filter->pipe_fh[0]);
-       chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
-               "Unable to use pipe as STDOUT");
-       close(filter->pipe_fh[1]);
-       return 0;
-}
-
-int cgit_close_filter(struct cgit_filter *filter)
-{
-       chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
-               "Unable to restore STDOUT");
-       close(filter->old_stdout);
-       if (filter->pid < 0)
-               return 0;
-       waitpid(filter->pid, &filter->exitstatus, 0);
-       if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
-               return 0;
-       die("Subprocess %s exited abnormally", filter->cmd);
-}
-
 /* Read the content of the specified file into a newly allocated buffer,
  * zeroterminate the buffer and return 0 on success, errno otherwise.
  */
@@ -567,3 +561,42 @@ char *expand_macros(const char *txt)
        }
        return result;
 }
+
+char *get_mimetype_for_filename(const char *filename)
+{
+       char *ext, *mimetype, *token, line[1024], *saveptr;
+       FILE *file;
+       struct string_list_item *mime;
+
+       if (!filename)
+               return NULL;
+
+       ext = strrchr(filename, '.');
+       if (!ext)
+               return NULL;
+       ++ext;
+       if (!ext[0])
+               return NULL;
+       mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
+       if (mime)
+               return xstrdup(mime->util);
+
+       if (!ctx.cfg.mimetype_file)
+               return NULL;
+       file = fopen(ctx.cfg.mimetype_file, "r");
+       if (!file)
+               return NULL;
+       while (fgets(line, sizeof(line), file)) {
+               if (!line[0] || line[0] == '#')
+                       continue;
+               mimetype = strtok_r(line, " \t\r\n", &saveptr);
+               while ((token = strtok_r(NULL, " \t\r\n", &saveptr))) {
+                       if (!strcasecmp(ext, token)) {
+                               fclose(file);
+                               return xstrdup(mimetype);
+                       }
+               }
+       }
+       fclose(file);
+       return NULL;
+}