diff --git a/src/platform/base.c b/src/platform/base.c index 125efbc..e0588b2 100644 --- a/src/platform/base.c +++ b/src/platform/base.c @@ -3,7 +3,9 @@ #include "../tools/log.h" #include +#include #include +#include #include #include #include @@ -14,6 +16,97 @@ const char* SUPPORTED_PLATFORM_NAMES [] = { "gitlab.com" }; +static void throw_regex_error(int errcode, const regex_t *preg, const char* str) { + char regex_error_buffer[REGEX_ERROR_STR_MAX_LEN] = {0}; + size_t written = regerror(errcode, preg, regex_error_buffer, REGEX_ERROR_STR_MAX_LEN); + LOG_DEBUG("regex_error_str() errcode: %d, regerror ret: %lu", errcode, written); + LOG_ERROR_EXIT("Regex compilation error for str: %s (%s)", str, regex_error_buffer); +} + +static bool parse_regex_result(int value) { + if (value == 0) { + return true; + } else if (value == REG_NOMATCH) { + return false; + } else { + LOG_ERROR_EXIT("Regex matching failed"); + } +} + +static Lines* get_git_remote_urls_from_lines(Lines* lines, const char* remote) { + LOG_DEBUG("Entering function %s", __func__); + char config_remote_line_rg [GIT_CONFIG_REMOTE_STRING_MAX_LEN] = {0}; + const int config_remote_line_written_bytes = snprintf( + config_remote_line_rg, + GIT_CONFIG_REMOTE_STRING_MAX_LEN, + "\\[remote \"%s\"]", + remote); + if (config_remote_line_written_bytes < 0) { + LOG_ERROR_EXIT("Failed generating remote string [remote \"value\"]. Value %s", + remote); + } + RegexWrapper regexes [GIT_CFG_RG_COUNT] = { + {.regex_pattern = config_remote_line_rg}, + {.regex_pattern = GIT_CONFIG_NEXT_SECTION_RG}, + {.regex_pattern = GIT_CONFIG_REMOTE_URL_RG} + }; + for (size_t i = 0; i < GIT_CFG_RG_COUNT; i++) { + int value = regcomp(&(regexes[i].regex_holder), regexes[i].regex_pattern, 0); + if (value != 0) throw_regex_error(value, &(regexes[i].regex_holder), regexes[i].regex_pattern); + } + + bool remote_section_found = false; + bool inside_remote_section = false; + Lines* git_remote_urls = lines_create(1); + Buffer* remote_url_buffer = buffer_create(1); + for (size_t i = 0; i < lines->size; i++) { + if (remote_section_found) { + bool next_section_met = (parse_regex_result(regexec( + &(regexes[GIT_CFG_RG_NEXT_SECTION].regex_holder), + lines->lines[i]->data, + 0, NULL, 0))); + if (!next_section_met) { + inside_remote_section = true; + LOG_DEBUG("inside_remote_section = true"); + } else { + inside_remote_section = false; + remote_section_found = false; + LOG_DEBUG("inside_remote_section = false"); + LOG_DEBUG("remote_section_found = false"); + } + } + if (inside_remote_section) { + bool url_found = (parse_regex_result(regexec( + &(regexes[GIT_CFG_RG_REMOTE_URL].regex_holder), + lines->lines[i]->data, + 0, NULL, 0))); + if (url_found) { + LOG_DEBUG("url_found: %s", lines->lines[i]->data); + buffer_append(remote_url_buffer, lines->lines[i]->data); + lines_append(git_remote_urls, remote_url_buffer); + remote_url_buffer->size = 0; + continue; + } + LOG_DEBUG("url not found inside remote. Line: %s", lines->lines[i]->data); + } + if (parse_regex_result(regexec( + &(regexes[GIT_CFG_RG_USER_GIVEN_REMOTE].regex_holder), + lines->lines[i]->data, + 0, NULL, 0)) + ) { + remote_section_found = true; + LOG_DEBUG("remote_section_found = true"); + continue; + } + } + for (size_t i = 0; i < GIT_CFG_RG_COUNT; i++) { + regfree(&(regexes[i].regex_holder)); + } + buffer_free(remote_url_buffer); + + return git_remote_urls; +} + PlaformId identify_platfrom_from_project(const char* project_path, const char* remote) { LOG_DEBUG("Entering function %s", __func__); if (project_path == NULL) { @@ -26,8 +119,10 @@ PlaformId identify_platfrom_from_project(const char* project_path, const char* r Lines* config_file_lines = read_file_lines(git_config_path_buffer->data); //TODO: from remote "origin" get url + Lines* git_remote_urls = get_git_remote_urls_from_lines(config_file_lines, remote); //TODO: parse remote "origin url" to get platform - lines_flush(config_file_lines); + lines_free(config_file_lines); + lines_flush(git_remote_urls); buffer_free(git_config_path_buffer); return PL_UNRECOGNIZED; } \ No newline at end of file diff --git a/src/platform/base.h b/src/platform/base.h index 067bb4c..9748f31 100644 --- a/src/platform/base.h +++ b/src/platform/base.h @@ -1,7 +1,13 @@ #ifndef __PLATFORM_BASE_H__ #define __PLATFORM_BASE_H__ +#include + #define PATH_TO_GIT_CONFIG_RELATIVE_TO_PROJ "/.git/config" +#define REGEX_ERROR_STR_MAX_LEN 512 +#define GIT_CONFIG_REMOTE_STRING_MAX_LEN 256 +#define GIT_CONFIG_NEXT_SECTION_RG "\\[.*" +#define GIT_CONFIG_REMOTE_URL_RG ".*url.*" typedef enum PlaformId { PL_GITHUB, @@ -9,6 +15,18 @@ typedef enum PlaformId { PL_UNRECOGNIZED } PlaformId; +typedef enum GitConfigRegexes { + GIT_CFG_RG_USER_GIVEN_REMOTE, + GIT_CFG_RG_NEXT_SECTION, + GIT_CFG_RG_REMOTE_URL, + GIT_CFG_RG_COUNT +} GitConfigRegexes; + +typedef struct RegexWrapper { + const char* regex_pattern; + regex_t regex_holder; +} RegexWrapper; + extern const char* SUPPORTED_PLATFORM_NAMES []; PlaformId identify_platfrom_from_project(const char* project_path, const char* remote); diff --git a/src/tools/buffer.h b/src/tools/buffer.h index 254edc3..f79381d 100644 --- a/src/tools/buffer.h +++ b/src/tools/buffer.h @@ -3,6 +3,8 @@ #include +#define ARRAY_SIZE(arr) (sizeof((arr)) / sizeof((arr)[0])) + typedef struct { char* data; size_t size;