Move repo summary functions into ui-summary.c

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

4 files changed, 59 insertions, 47 deletions

diff --git a/Makefile b/Makefile
index 81ebb18..71ddc40 100644
--- a/Makefile
+++ b/Makefile
@@ -1,27 +1,27 @@
 CGIT_VERSION = 0.1-pre
 
 INSTALL_BIN = /var/www/htdocs/cgit.cgi
 INSTALL_CSS = /var/www/htdocs/cgit.css
 CACHE_ROOT = /var/cache/cgit
 
 EXTLIBS = ../git/libgit.a ../git/xdiff/lib.a -lz -lcrypto
-OBJECTS = parsing.o html.o cache.o ui-shared.o ui-repolist.o
+OBJECTS = cache.o parsing.o html.o ui-shared.o ui-repolist.o ui-summary.o
 
 CFLAGS += -Wall
 
 all: cgit
 
 install: all
 	install cgit $(INSTALL_BIN)
 	install cgit.css $(INSTALL_CSS)
 	rm -rf $(CACHE_ROOT)/*
 
 cgit: cgit.c cgit.h git.h $(OBJECTS)
 	$(CC) $(CFLAGS) -DCGIT_VERSION='"$(CGIT_VERSION)"' cgit.c -o cgit \
 		$(OBJECTS) $(EXTLIBS)
 
 $(OBJECTS): cgit.h git.h
 
 .PHONY: clean
 clean:
 	rm -f cgit *.o
diff --git a/cgit.c b/cgit.c
index b3ff512..300fe46 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,354 +1,308 @@
 /* cgit.c: cgi for the git scm
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 const char cgit_version[] = CGIT_VERSION;
 
 int htmlfd = 0;
 
 char *cgit_root         = "/usr/src/git";
 char *cgit_root_title   = "Git repository browser";
 char *cgit_css          = "/cgit.css";
 char *cgit_logo         = "/git-logo.png";
 char *cgit_logo_link    = "http://www.kernel.org/pub/software/scm/git/docs/";
 char *cgit_virtual_root = NULL;
 
 char *cgit_cache_root   = "/var/cache/cgit";
 
 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
 int cgit_cache_dynamic_ttl     =  5;
 int cgit_cache_static_ttl      = -1;
 int cgit_cache_max_create_time =  5;
 
 char *cgit_repo_name    = NULL;
 char *cgit_repo_desc    = NULL;
 char *cgit_repo_owner   = NULL;
 
 int cgit_query_has_symref = 0;
 int cgit_query_has_sha1   = 0;
 
 char *cgit_querystring  = NULL;
 char *cgit_query_repo   = NULL;
 char *cgit_query_page   = NULL;
 char *cgit_query_head   = NULL;
 char *cgit_query_sha1   = NULL;
 
 struct cacheitem cacheitem;
 
 void cgit_global_config_cb(const char *name, const char *value)
 {
 	if (!strcmp(name, "root"))
 		cgit_root = xstrdup(value);
 	else if (!strcmp(name, "root-title"))
 		cgit_root_title = xstrdup(value);
 	else if (!strcmp(name, "css"))
 		cgit_css = xstrdup(value);
 	else if (!strcmp(name, "logo"))
 		cgit_logo = xstrdup(value);
 	else if (!strcmp(name, "logo-link"))
 		cgit_logo_link = xstrdup(value);
 	else if (!strcmp(name, "virtual-root"))
 		cgit_virtual_root = xstrdup(value);
 }
 
 void cgit_repo_config_cb(const char *name, const char *value)
 {
 	if (!strcmp(name, "name"))
 		cgit_repo_name = xstrdup(value);
 	else if (!strcmp(name, "desc"))
 		cgit_repo_desc = xstrdup(value);
 	else if (!strcmp(name, "owner"))
 		cgit_repo_owner = xstrdup(value);
 }
 
 void cgit_querystring_cb(const char *name, const char *value)
 {
 	if (!strcmp(name,"r"))
 		cgit_query_repo = xstrdup(value);
 	else if (!strcmp(name, "p"))
 		cgit_query_page = xstrdup(value);
 	else if (!strcmp(name, "h")) {
 		cgit_query_head = xstrdup(value);
 		cgit_query_has_symref = 1;
 	} else if (!strcmp(name, "id")) {
 		cgit_query_sha1 = xstrdup(value);
 		cgit_query_has_sha1 = 1;
 	}
 }
 
-static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
-				int flags, void *cb_data)
-{
-	struct commit *commit;
-	char buf[256], *url;
-
-	commit = lookup_commit(sha1);
-	if (commit && !parse_commit(commit)){
-		html("<tr><td>");
-		url = cgit_pageurl(cgit_query_repo, "log", 
-				   fmt("h=%s", refname));
-		html_link_open(url, NULL, NULL);
-		strncpy(buf, refname, sizeof(buf));
-		html_txt(buf);
-		html_link_close();
-		html("</td><td>");
-		pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0, buf,
-				    sizeof(buf), 0, NULL, NULL, 0);
-		html_txt(buf);
-		html("</td></tr>\n");
-	} else {
-		html("<tr><td>");
-		html_txt(buf);
-		html("</td><td>");
-		htmlf("*** bad ref %s", sha1_to_hex(sha1));
-		html("</td></tr>\n");
-	}
-	return 0;
-}
-
-static void cgit_print_branches()
-{
-	html("<table class='list'>");
-	html("<tr><th>Branch name</th><th>Head commit</th></tr>\n");
-	for_each_branch_ref(cgit_print_branch_cb, NULL);
-	html("</table>");
-}
-
 static int get_one_line(char *txt)
 {
 	char *t;
 
 	for(t=txt; *t != '\n' && t != '\0'; t++)
 		;
 	*t = '\0';
 	return t-txt-1;
 }
 
 static void cgit_print_commit_shortlog(struct commit *commit)
 {
 	char *h, *t, *p; 
 	char *tree = NULL, *author = NULL, *subject = NULL;
 	int len;
 	time_t sec;
 	struct tm *time;
 	char buf[32];
 
 	h = t = commit->buffer;
 	
 	if (strncmp(h, "tree ", 5))
 		die("Bad commit format: %s", 
 		    sha1_to_hex(commit->object.sha1));
 	
 	len = get_one_line(h);
 	tree = h+5;
 	h += len + 2;
 
 	while (!strncmp(h, "parent ", 7))
 		h += get_one_line(h) + 2;
 	
 	if (!strncmp(h, "author ", 7)) {
 		author = h+7;
 		h += get_one_line(h) + 2;
 		t = author;
 		while(t!=h && *t!='<') 
 			t++;
 		*t='\0';
 		p = t;
 		while(--t!=author && *t==' ')
 			*t='\0';
 		while(++p!=h && *p!='>')
 			;
 		while(++p!=h && !isdigit(*p))
 			;
 
 		t = p;
 		while(++p && isdigit(*p))
 			;
 		*p = '\0';
 		sec = atoi(t);
 		time = gmtime(&sec);
 	}
 
 	while((len = get_one_line(h)) > 0)
 		h += len+2;
 
 	h++;
 	len = get_one_line(h);
 
 	subject = h;
 
 	html("<tr><td>");
 	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
 	html_txt(buf);
 	html("</td><td>");
 	char *qry = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 	char *url = cgit_pageurl(cgit_query_repo, "view", qry);
 	html_link_open(url, NULL, NULL);
 	html_txt(subject);
 	html_link_close();
 	html("</td><td>");
 	html_txt(author);
 	html("</td></tr>\n");
 }
 
 static void cgit_print_log(const char *tip, int ofs, int cnt)
 {
 	struct rev_info rev;
 	struct commit *commit;
 	const char *argv[2] = {NULL, tip};
 	int n = 0;
 	
 	init_revisions(&rev, NULL);
 	rev.abbrev = DEFAULT_ABBREV;
 	rev.commit_format = CMIT_FMT_DEFAULT;
 	rev.verbose_header = 1;
 	rev.show_root_diff = 0;
 	setup_revisions(2, argv, &rev, NULL);
 	prepare_revision_walk(&rev);
 
 	html("<h2>Log</h2>");
 	html("<table class='list'>");
 	html("<tr><th>Date</th><th>Message</th><th>Author</th></tr>\n");
 	while ((commit = get_revision(&rev)) != NULL && n++ < 100) {
 		cgit_print_commit_shortlog(commit);
 		free(commit->buffer);
 		commit->buffer = NULL;
 		free_commit_list(commit->parents);
 		commit->parents = NULL;
 	}
 	html("</table>\n");
 }
 
-static void cgit_print_repo_summary()
-{
-	html("<h2>");
-	html_txt("Repo summary page");
-	html("</h2>");
-	cgit_print_branches();
-}
-
 static void cgit_print_object(char *hex)
 {
 	unsigned char sha1[20];
 	//struct object *object;
 	char type[20];
 	unsigned char *buf;
 	unsigned long size;
 
 	if (get_sha1_hex(hex, sha1)){
 		cgit_print_error(fmt("Bad hex value: %s", hex));
 	        return;
 	}
 
 	if (sha1_object_info(sha1, type, NULL)){
 		cgit_print_error("Bad object name");
 		return;
 	}
 
 	buf = read_sha1_file(sha1, type, &size);
 	if (!buf) {
 		cgit_print_error("Error reading object");
 		return;
 	}
 
 	buf[size] = '\0';
 	html("<h2>Object view</h2>");
 	htmlf("sha1=%s<br/>type=%s<br/>size=%i<br/>", hex, type, size);
 	html("<pre>");
 	html_txt(buf);
 	html("</pre>");
 }
 
 static void cgit_print_repo_page(struct cacheitem *item)
 {
 	if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) || 
 	    cgit_read_config("info/cgit", cgit_repo_config_cb)) {
 		char *title = fmt("%s - %s", cgit_root_title, "Bad request");
 		cgit_print_docstart(title, item);
 		cgit_print_pageheader(title);
 		cgit_print_error(fmt("Unable to scan repository: %s",
 				     strerror(errno)));
 		cgit_print_docend();
 		return;
 	}
 	setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1);
 	char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
 	cgit_print_docstart(title, item);
 	cgit_print_pageheader(title);
 	if (!cgit_query_page)
 		cgit_print_repo_summary();
 	else if (!strcmp(cgit_query_page, "log")) {
 		cgit_print_log(cgit_query_head, 0, 100);
 	} else if (!strcmp(cgit_query_page, "view")) {
 		cgit_print_object(cgit_query_sha1);
 	}
 	cgit_print_docend();
 }
 
 static void cgit_fill_cache(struct cacheitem *item)
 {
 	htmlfd = item->fd;
 	item->st.st_mtime = time(NULL);
 	if (cgit_query_repo)
 		cgit_print_repo_page(item);
 	else
 		cgit_print_repolist(item);
 }
 
 static void cgit_refresh_cache(struct cacheitem *item)
 {
 	int i = 0;
 
 	cache_prepare(item);
  top:
 	if (++i > cgit_max_lock_attempts) {
 		die("cgit_refresh_cache: unable to lock %s: %s",
 		    item->name, strerror(errno));
 	}
 	if (!cache_exist(item)) {
 		if (!cache_lock(item)) {
 			sleep(1);
 			goto top;
 		}
 		if (!cache_exist(item))
 			cgit_fill_cache(item);
 		cache_unlock(item);
 	} else if (cache_expired(item) && cache_lock(item)) {
 		if (cache_expired(item))
 			cgit_fill_cache(item);
 		cache_unlock(item);
 	}
 }
 
 static void cgit_print_cache(struct cacheitem *item)
 {
 	static char buf[4096];
 	ssize_t i;
 
 	int fd = open(item->name, O_RDONLY);
 	if (fd<0)
 		die("Unable to open cached file %s", item->name);
 
 	while((i=read(fd, buf, sizeof(buf))) > 0)
 		write(STDOUT_FILENO, buf, i);
 
 	close(fd);
 }
 
 int main(int argc, const char **argv)
 {
 	cgit_read_config("/etc/cgitrc", cgit_global_config_cb);
 	cgit_querystring = xstrdup(getenv("QUERY_STRING"));
 	cgit_parse_query(cgit_querystring, cgit_querystring_cb);
 	cgit_refresh_cache(&cacheitem);
 	cgit_print_cache(&cacheitem);
 	return 0;
 }
diff --git a/cgit.h b/cgit.h
index bf5bd8d..3a153a5 100644
--- a/cgit.h
+++ b/cgit.h
@@ -1,82 +1,85 @@
 #ifndef CGIT_H
 #define CGIT_H
 
 #include "git.h"
 #include <openssl/sha.h>
 #include <ctype.h>
 #include <sched.h>
 
 typedef void (*configfn)(const char *name, const char *value);
 
 struct cacheitem {
 	char *name;
 	struct stat st;
 	int ttl;
 	int fd;
 };
 
 extern const char cgit_version[];
 
 extern char *cgit_root;
 extern char *cgit_root_title;
 extern char *cgit_css;
 extern char *cgit_logo;
 extern char *cgit_logo_link;
 extern char *cgit_virtual_root;
 extern char *cgit_cache_root;
 
 extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
 extern int cgit_cache_dynamic_ttl;
 extern int cgit_cache_static_ttl;
 extern int cgit_cache_max_create_time;
 
 extern char *cgit_repo_name;
 extern char *cgit_repo_desc;
 extern char *cgit_repo_owner;
 
 extern int cgit_query_has_symref;
 extern int cgit_query_has_sha1;
 
 extern char *cgit_querystring;
 extern char *cgit_query_repo;
 extern char *cgit_query_page;
 extern char *cgit_query_head;
 extern char *cgit_query_sha1;
 
 extern int htmlfd;
 
 extern char *fmt(const char *format,...);
 
 extern void html(const char *txt);
 extern void htmlf(const char *format,...);
 extern void html_txt(char *txt);
 extern void html_attr(char *txt);
 extern void html_link_open(char *url, char *title, char *class);
 extern void html_link_close(void);
 
 extern int cgit_read_config(const char *filename, configfn fn);
 extern int cgit_parse_query(char *txt, configfn fn);
 
 extern void cache_prepare(struct cacheitem *item);
 extern int cache_lock(struct cacheitem *item);
 extern int cache_unlock(struct cacheitem *item);
 extern int cache_exist(struct cacheitem *item);
 extern int cache_expired(struct cacheitem *item);
 
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_pageurl(const char *reponame, const char *pagename, 
 			  const char *query);
 
 extern void cgit_print_error(char *msg);
 extern void cgit_print_docstart(char *title, struct cacheitem *item);
 extern void cgit_print_docend();
 extern void cgit_print_pageheader(char *title);
 
 extern void cgit_print_repolist(struct cacheitem *item);
 
 
 extern void cgit_repo_config_cb(const char *name, const char *value);
 
+extern void cgit_print_repo_summary();
+
+
 #endif /* CGIT_H */
diff --git a/ui-summary.c b/ui-summary.c
new file mode 100644
index 0000000..532ddbf
--- a/dev/null
+++ b/ui-summary.c
@@ -0,0 +1,55 @@
+/* ui-summary.c: functions for generating repo summary page
+ *
+ * Copyright (C) 2006 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+
+static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
+				int flags, void *cb_data)
+{
+	struct commit *commit;
+	char buf[256], *url;
+
+	commit = lookup_commit(sha1);
+	if (commit && !parse_commit(commit)){
+		html("<tr><td>");
+		url = cgit_pageurl(cgit_query_repo, "log", 
+				   fmt("h=%s", refname));
+		html_link_open(url, NULL, NULL);
+		strncpy(buf, refname, sizeof(buf));
+		html_txt(buf);
+		html_link_close();
+		html("</td><td>");
+		pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0, buf,
+				    sizeof(buf), 0, NULL, NULL, 0);
+		html_txt(buf);
+		html("</td></tr>\n");
+	} else {
+		html("<tr><td>");
+		html_txt(buf);
+		html("</td><td>");
+		htmlf("*** bad ref %s", sha1_to_hex(sha1));
+		html("</td></tr>\n");
+	}
+	return 0;
+}
+
+static void cgit_print_branches()
+{
+	html("<table class='list'>");
+	html("<tr><th>Branch name</th><th>Head commit</th></tr>\n");
+	for_each_branch_ref(cgit_print_branch_cb, NULL);
+	html("</table>");
+}
+
+void cgit_print_repo_summary()
+{
+	html("<h2>");
+	html_txt("Repo summary page");
+	html("</h2>");
+	cgit_print_branches();
+}