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path: root/parsing.c

blob: 248b6ee9d8ca8e60df28e25456e2ae04c901d34d (plain)

pre { line-height: 125%; } td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ # Files I don't care to see in git-status/commit cgit cgit.conf VERSION cgitrc.5 cgitrc.5.fo cgitrc.5.html cgitrc.5.pdf cgitrc.5.xml *.o *.d

generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-01-22 23:04:53 +0000

/* config.c: parsing of config files
 *
 * 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"

/*
 * 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;
	}
}

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

	if (!txt)
		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;
	}
	return *txt;
}
#endif

struct commitinfo *cgit_parse_commit(struct commit *commit)
{
	struct commitinfo *ret;
	char *p = commit->buffer, *t;

	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;
		}
	}

	/* if no special encoding is found, assume UTF-8 */
	if (!ret->msg_encoding)
		ret->msg_encoding = xstrdup("UTF-8");

	// 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);

	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;
	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;
}