libgit2/src/config_cache.c
2012-05-18 01:48:50 +02:00

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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "fileops.h"
#include "config.h"
#include "git2/config.h"
#include "vector.h"
#include "filter.h"
#include "repository.h"
struct map_data {
const char *cvar_name;
git_cvar_map *maps;
size_t map_count;
int default_value;
};
/*
* core.eol
* Sets the line ending type to use in the working directory for
* files that have the text property set. Alternatives are lf, crlf
* and native, which uses the platforms native line ending. The default
* value is native. See gitattributes(5) for more information on
* end-of-line conversion.
*/
static git_cvar_map _cvar_map_eol[] = {
{GIT_CVAR_FALSE, NULL, GIT_EOL_UNSET},
{GIT_CVAR_STRING, "lf", GIT_EOL_LF},
{GIT_CVAR_STRING, "crlf", GIT_EOL_CRLF},
{GIT_CVAR_STRING, "native", GIT_EOL_NATIVE}
};
/*
* core.autocrlf
* Setting this variable to "true" is almost the same as setting
* the text attribute to "auto" on all files except that text files are
* not guaranteed to be normalized: files that contain CRLF in the
* repository will not be touched. Use this setting if you want to have
* CRLF line endings in your working directory even though the repository
* does not have normalized line endings. This variable can be set to input,
* in which case no output conversion is performed.
*/
static git_cvar_map _cvar_map_autocrlf[] = {
{GIT_CVAR_FALSE, NULL, GIT_AUTO_CRLF_FALSE},
{GIT_CVAR_TRUE, NULL, GIT_AUTO_CRLF_TRUE},
{GIT_CVAR_STRING, "input", GIT_AUTO_CRLF_INPUT}
};
static struct map_data _cvar_maps[] = {
{"core.autocrlf", _cvar_map_autocrlf, ARRAY_SIZE(_cvar_map_autocrlf), GIT_AUTO_CRLF_DEFAULT},
{"core.eol", _cvar_map_eol, ARRAY_SIZE(_cvar_map_eol), GIT_EOL_DEFAULT}
};
int git_repository__cvar(int *out, git_repository *repo, git_cvar_cached cvar)
{
*out = repo->cvar_cache[(int)cvar];
if (*out == GIT_CVAR_NOT_CACHED) {
struct map_data *data = &_cvar_maps[(int)cvar];
git_config *config;
int error;
error = git_repository_config__weakptr(&config, repo);
if (error < 0)
return error;
error = git_config_get_mapped(out,
config, data->cvar_name, data->maps, data->map_count);
if (error == GIT_ENOTFOUND)
*out = data->default_value;
else if (error < 0)
return error;
repo->cvar_cache[(int)cvar] = *out;
}
return 0;
}
void git_repository__cvar_cache_clear(git_repository *repo)
{
int i;
for (i = 0; i < GIT_CVAR_CACHE_MAX; ++i)
repo->cvar_cache[i] = GIT_CVAR_NOT_CACHED;
}