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Diffstat (limited to 'src/config_cache.c')
-rw-r--r-- | src/config_cache.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/config_cache.c b/src/config_cache.c new file mode 100644 index 000000000..ca9602e56 --- /dev/null +++ b/src/config_cache.c @@ -0,0 +1,94 @@ +/* + * 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 platform’s 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; +} + |