cgit - Web front-end for git that you're looking at right now. Might have had a few additions from upstream.

about summary refs log tree commit diff stats homepage

diff options

Diffstat (limited to 'ui-diff.h')

0 files changed, 0 insertions, 0 deletions

57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245

/* 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;
	}
}

char *substr(const char *head, const char *tail)
{
	char *buf;

	buf = xmalloc(tail - head + 1);
	strncpy(buf, head, tail - head);
	buf[tail - head] = '\0';
	return buf;
}

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
const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
{
	char *tmp;

	if (!txt || !*txt || !src_enc || !dst_enc)
		return *txt;

	tmp = reencode_string(*txt, src_enc, dst_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 = commit->buffer;

	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;
		}
	}

	// 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);

	if (ret->msg_encoding) {
		reencode(&ret->subject, PAGE_ENCODING, ret->msg_encoding);
		reencode(&ret->msg, PAGE_ENCODING, ret->msg_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;
}

an class="n">s++; } return h; } static int process_slot(struct cache_slot *slot) { int err; err = open_slot(slot); if (!err && slot->match) { if (is_expired(slot)) { if (!lock_slot(slot)) { /* If the cachefile has been replaced between * `open_slot` and `lock_slot`, we'll just * serve the stale content from the original * cachefile. This way we avoid pruning the * newly generated slot. The same code-path * is chosen if fill_slot() fails for some * reason. * * TODO? check if the new slot contains the * same key as the old one, since we would * prefer to serve the newest content. * This will require us to open yet another * file-descriptor and read and compare the * key from the new file, so for now we're * lazy and just ignore the new file. */ if (is_modified(slot) || fill_slot(slot)) { unlock_slot(slot, 0); close_lock(slot); } else { close_slot(slot); unlock_slot(slot, 1); slot->cache_fd = slot->lock_fd; } } } if ((err = print_slot(slot)) != 0) { cache_log("[cgit] error printing cache %s: %s (%d)\n", slot->cache_name, strerror(err), err); } close_slot(slot); return err; } /* If the cache slot does not exist (or its key doesn't match the * current key), lets try to create a new cache slot for this * request. If this fails (for whatever reason), lets just generate * the content without caching it and fool the caller to believe * everything worked out (but print a warning on stdout). */ close_slot(slot); if ((err = lock_slot(slot)) != 0) { cache_log("[cgit] Unable to lock slot %s: %s (%d)\n", slot->lock_name, strerror(err), err); slot->fn(); return 0; } if ((err = fill_slot(slot)) != 0) { cache_log("[cgit] Unable to fill slot %s: %s (%d)\n", slot->lock_name, strerror(err), err); unlock_slot(slot, 0); close_lock(slot); slot->fn(); return 0; } // We've got a valid cache slot in the lock file, which // is about to replace the old cache slot. But if we // release the lockfile and then try to open the new cache // slot, we might get a race condition with a concurrent // writer for the same cache slot (with a different key). // Lets avoid such a race by just printing the content of // the lock file. slot->cache_fd = slot->lock_fd; unlock_slot(slot, 1); if ((err = print_slot(slot)) != 0) { cache_log("[cgit] error printing cache %s: %s (%d)\n", slot->cache_name, strerror(err), err); } close_slot(slot); return err; } /* Print cached content to stdout, generate the content if necessary. */ int cache_process(int size, const char *path, const char *key, int ttl, cache_fill_fn fn) { unsigned long hash; int i; struct strbuf filename = STRBUF_INIT; struct strbuf lockname = STRBUF_INIT; struct cache_slot slot; int result; /* If the cache is disabled, just generate the content */ if (size <= 0 || ttl == 0) { fn(); return 0; } /* Verify input, calculate filenames */ if (!path) { cache_log("[cgit] Cache path not specified, caching is disabled\n"); fn(); return 0; } if (!key) key = ""; hash = hash_str(key) % size; strbuf_addstr(&filename, path); strbuf_ensure_end(&filename, '/'); for (i = 0; i < 8; i++) { strbuf_addf(&filename, "%x", (unsigned char)(hash & 0xf)); hash >>= 4; } strbuf_addbuf(&lockname, &filename); strbuf_addstr(&lockname, ".lock"); slot.fn = fn; slot.ttl = ttl; slot.stdout_fd = -1; slot.cache_name = filename.buf; slot.lock_name = lockname.buf; slot.key = key; slot.keylen = strlen(key); result = process_slot(&slot); strbuf_release(&filename); strbuf_release(&lockname); return result; } /* Return a strftime formatted date/time * NB: the result from this function is to shared memory */ static char *sprintftime(const char *format, time_t time) { static char buf[64]; struct tm tm; if (!time) return NULL; gmtime_r(&time, &tm); strftime(buf, sizeof(buf)-1, format, &tm); return buf; } int cache_ls(const char *path) { DIR *dir; struct dirent *ent; int err = 0; struct cache_slot slot = { NULL }; struct strbuf fullname = STRBUF_INIT; size_t prefixlen; if (!path) { cache_log("[cgit] cache path not specified\n"); return -1; } dir = opendir(path); if (!dir) { err = errno; cache_log("[cgit] unable to open path %s: %s (%d)\n", path, strerror(err), err); return err; } strbuf_addstr(&fullname, path); strbuf_ensure_end(&fullname, '/'); prefixlen = fullname.len; while ((ent = readdir(dir)) != NULL) { if (strlen(ent->d_name) != 8) continue; strbuf_setlen(&fullname, prefixlen); strbuf_addstr(&fullname, ent->d_name); slot.cache_name = fullname.buf; if ((err = open_slot(&slot)) != 0) { cache_log("[cgit] unable to open path %s: %s (%d)\n", fullname.buf, strerror(err), err); continue; } htmlf("%s %s %10"PRIuMAX" %s\n", fullname.buf, sprintftime("%Y-%m-%d %H:%M:%S", slot.cache_st.st_mtime), (uintmax_t)slot.cache_st.st_size, slot.buf); close_slot(&slot); } closedir(dir); strbuf_release(&fullname); return 0; } /* Print a message to stdout */ void cache_log(const char *format, ...) { va_list args; va_start(args, format); vfprintf(stderr, format, args); va_end(args); }


context:
space:
mode: