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

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#ifndef CMD_H
#define CMD_H

typedef void (*cgit_cmd_fn)(void);

struct cgit_cmd {
	const char *name;
	cgit_cmd_fn fn;
	unsigned int want_repo:1,
		want_vpath:1,
		is_clone:1;
};

extern struct cgit_cmd *cgit_get_cmd(void);

#endif /* CMD_H */

ght .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 */

/* ui-plain.c: functions for output of plain blobs by path
 *
 * Copyright (C) 2008 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

int match_baselen;
int match;

static void print_object(const unsigned char *sha1, const char *path)
{
	enum object_type type;
	char *buf, *ext;
	unsigned long size;
	struct string_list_item *mime;

	type = sha1_object_info(sha1, &size);
	if (type == OBJ_BAD) {
		html_status(404, "Not found", 0);
		return;
	}

	buf = read_sha1_file(sha1, &type, &size);
	if (!buf) {
		html_status(404, "Not found", 0);
		return;
	}
	ctx.page.mimetype = NULL;
	ext = strrchr(path, '.');
	if (ext && *(++ext)) {
		mime = string_list_lookup(ext, &ctx.cfg.mimetypes);
		if (mime)
			ctx.page.mimetype = (char *)mime->util;
	}
	if (!ctx.page.mimetype) {
		if (buffer_is_binary(buf, size))
			ctx.page.mimetype = "application/octet-stream";
		else
			ctx.page.mimetype = "text/plain";
	}
	ctx.page.filename = fmt("%s", path);
	ctx.page.size = size;
	ctx.page.etag = sha1_to_hex(sha1);
	cgit_print_http_headers(&ctx);
	html_raw(buf, size);
	match = 1;
}

static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
		     const char *pathname, unsigned mode, int stage,
		     void *cbdata)
{
	if (baselen == match_baselen) {
		if (S_ISREG(mode))
			print_object(sha1, pathname);
	}
	else if (S_ISDIR(mode))
		return READ_TREE_RECURSIVE;

	return 0;
}

static int basedir_len(const char *path)
{
	char *p = strrchr(path, '/');
	if (p)
		return p - path + 1;
	return 0;
}

void cgit_print_plain(struct cgit_context *ctx)
{
	const char *rev = ctx->qry.sha1;
	unsigned char sha1[20];
	struct commit *commit;
	const char *paths[] = {ctx->qry.path, NULL};

	if (!rev)
		rev = ctx->qry.head;

	if (get_sha1(rev, sha1)) {
		html_status(404, "Not found", 0);
		return;
	}
	commit = lookup_commit_reference(sha1);
	if (!commit || parse_commit(commit)) {
		html_status(404, "Not found", 0);
		return;
	}
	match_baselen = basedir_len(paths[0]);
	read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
	if (!match)
		html_status(404, "Not found", 0);
}