diff options
| -rw-r--r-- | Makefile | 24 | ||||
| -rw-r--r-- | src/config.c | 75 | ||||
| -rw-r--r-- | src/config.h | 16 |
3 files changed, 105 insertions, 10 deletions
@@ -7,6 +7,7 @@ export FTAG_CONFIG_DIR ?= $(shell pwd)/ftag_config export PROG ?= ftag export CFLAGS ?= -O0 -g3 +export UCONFIG_ROOT ?= /usr/local export LDFLAGS ?= export LIBS ?= @@ -16,22 +17,25 @@ export FTAG_VERSION := 0.1 FTAG_ARCHIVE_DIR := ftag-$(FTAG_VERSION) FTAG_ARCHIVE := ftag-$(FTAG_VERSION).tar.gz -export __CFLAGS := -std=c99 -Wall \ - -DFTAG_PREFIX=\"$(PREFIX)\" \ - -DFTAG_CACHE_DIR=\"$(FTAG_CACHE_DIR)\" \ - -DFTAG_CONFIG_DIR=\"$(FTAG_CONFIG_DIR)\" \ - -DFTAG_VERSION=\"$(FTAG_VERSION)\" \ - -D_POSIX_C_SOURCE=200809L \ - $(shell pkg-config --cflags sqlite3) -export __LIBS := $(shell pkg-config --libs sqlite3) +export __CFLAGS := -std=c99 -Wall \ + -DFTAG_PREFIX=\"$(PREFIX)\" \ + -DFTAG_CACHE_DIR=\"$(FTAG_CACHE_DIR)\" \ + -DFTAG_CONFIG_DIR=\"$(FTAG_CONFIG_DIR)\" \ + -DFTAG_VERSION=\"$(FTAG_VERSION)\" \ + -D_POSIX_C_SOURCE=200809L \ + $(shell pkg-config --cflags sqlite3) \ + -I$(UCONFIG_ROOT)/include +export __LDFLAGS := -L$(UCONFIG_ROOT)/lib +export __LIBS := $(shell pkg-config --libs sqlite3) -l uconfig all: $(PROG) -$(PROG): src/main.o src/input.o src/system.o src/utils.o +$(PROG): src/config.o src/input.o src/main.o src/system.o src/utils.o $(CC) -o $@ $^ $(__LIBS) $(LDFLAGS) $(LIBS) -src/main.o: src/main.c src/input.h src/system.h src/utils.h +src/config.o: src/config.c src/config.h src/system.h src/utils.h src/input.o: src/input.c src/input.h +src/main.o: src/main.c src/input.h src/system.h src/utils.h src/system.o: src/system.c src/system.h src/utils.o: src/utils.c src/system.h src/utils.h .c.o: diff --git a/src/config.c b/src/config.c new file mode 100644 index 0000000..c0d9409 --- /dev/null +++ b/src/config.c @@ -0,0 +1,75 @@ +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <uconfig.h> + +#include "config.h" +#include "system.h" +#include "utils.h" + +#define CONFIG_STR_SIZE 128 + +static struct uconfig_s *uconfig; +static char *ftag_config_keys[FC_COUNT]; +static char ftag_config_values[FC_COUNT][CONFIG_STR_SIZE]; + +static void ftag_config_read(enum ftag_config_e key) +{ + char *new_value = uconfig_get(uconfig, ftag_config_keys[key]); + if (new_value != NULL) { + assert(strlen(new_value) < CONFIG_STR_SIZE); + strcpy(ftag_config_values[key], new_value); + } +} + +void ftag_config_init(char *config_file) +{ + const char *env_home = getenv("HOME"); + + /* Keys */ + ftag_config_keys[FC_DATABASE_PATH] = "database_path"; + ftag_config_keys[FC_CACHE_DIR] = "cache_dir"; + ftag_config_keys[FC_REMOTE_HOST] = "remote_host"; + ftag_config_keys[FC_REMOTE_ROOT] = "remote_root"; + + /* Defaults */ + strbuild(ftag_config_values[FC_DATABASE_PATH], + "%s/.cache/ftag/ftag.sqlite3", env_home); + strbuild(ftag_config_values[FC_CACHE_DIR], + "%s/.cache/ftag", env_home); + strcpy(ftag_config_values[FC_REMOTE_HOST], "localhost"); + strcpy(ftag_config_values[FC_REMOTE_ROOT], "ftag"); + + if (config_file == NULL) { + /* Use default config file */ + /* TODO: prioritize XDG_CONFIG_HOME */ + config_file = malloc(CONFIG_STR_SIZE); + strbuild_with_size(config_file, CONFIG_STR_SIZE, + "%s/.config/ftag/ftag.conf", env_home); + } + + uconfig = NULL; + if (file_exists(config_file)) { + uconfig = uconfig_new(config_file); + if (uconfig == NULL) { + fprintf(stderr, + "%s: error during configuration file parsing\n", + __func__); + exit(EXIT_FAILURE); + } + for (enum ftag_config_e key = FC_FIRST; key < FC_COUNT; key++) { + ftag_config_read(key); + } + } +} + +const char *ftag_config_get(enum ftag_config_e key) +{ + return ftag_config_values[key]; +} + +void ftag_config_finalize(void) +{ + uconfig_destroy(uconfig); +} diff --git a/src/config.h b/src/config.h index 82ffd6a..50cba3a 100644 --- a/src/config.h +++ b/src/config.h @@ -12,4 +12,20 @@ #define DATABASE_PATH FTAG_CACHE_DIR "/ftag.sqlite3" +/* Note "FC" stands for "Ftag Config". */ +enum ftag_config_e { + FC_DATABASE_PATH, + FC_CACHE_DIR, + FC_REMOTE_HOST, + FC_REMOTE_ROOT, + FC_COUNT, + FC_FIRST = FC_DATABASE_PATH +}; + +void ftag_config_init(char *config_file); + +const char *ftag_config_get(enum ftag_config_e key); + +void ftag_config_destroy(void); + #endif |