630 lines
16 KiB
C
630 lines
16 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#undef alloca
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#elif defined __GNUC__
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# define alloca __builtin_alloca
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#elif defined _AIX
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# define alloca __alloca
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#elif defined _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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#else
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# include <stddef.h>
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# ifdef __cplusplus
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extern "C"
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# endif
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void *alloca (size_t);
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#endif
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#include <ctype.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <Ecore_File.h>
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/* define macros and variable for using the eina logging system */
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#define EFREET_MODULE_LOG_DOM _efreet_ini_log_dom
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static int _efreet_ini_log_dom = -1;
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#include "Efreet.h"
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#include "efreet_private.h"
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static Eina_Hash *efreet_ini_parse(const char *file);
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static const char *efreet_ini_unescape(const char *str) EINA_ARG_NONNULL(1);
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static Eina_Bool
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efreet_ini_section_save(const Eina_Hash *hash, const void *key, void *data, void *fdata);
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static Eina_Bool
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efreet_ini_value_save(const Eina_Hash *hash, const void *key, void *data, void *fdata);
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/**
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* @internal
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* @return Returns > 0 on success or 0 on failure
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* @brief Initialize the Ini parser subsystem
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*/
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int
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efreet_ini_init(void)
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{
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_efreet_ini_log_dom = eina_log_domain_register
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("efreet_ini", EFREET_DEFAULT_LOG_COLOR);
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if (_efreet_ini_log_dom < 0)
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{
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EINA_LOG_ERR("Efreet: Could not create a log domain for efreet_ini");
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return 0;
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}
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return 1;
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}
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/**
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* @internal
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* @returns the number of initializations left for this system
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* @brief Attempts to shut down the subsystem if nothing else is using it
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*/
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void
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efreet_ini_shutdown(void)
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{
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eina_log_domain_unregister(_efreet_ini_log_dom);
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_efreet_ini_log_dom = -1;
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}
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EAPI Efreet_Ini *
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efreet_ini_new(const char *file)
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{
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Efreet_Ini *ini;
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ini = NEW(Efreet_Ini, 1);
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if (!ini) return NULL;
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/* This can validly be NULL at the moment as _parse() will return NULL
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* if the input file doesn't exist. Should we change _parse() to create
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* the hash and only return NULL on failed parse? */
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ini->data = efreet_ini_parse(file);
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return ini;
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}
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/**
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* @internal
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* @param file The file to parse
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* @return Returns an Eina_Hash with the contents of @a file, or NULL if the
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* file fails to parse or if the file doesn't exist
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* @brief Parses the ini file @a file into an Eina_Hash
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*/
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static Eina_Hash *
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efreet_ini_parse(const char *file)
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{
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const char *buffer, *line_start;
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FILE *f;
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Eina_Hash *data, *section = NULL;
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struct stat file_stat;
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int line_length, left;
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if (!file) return NULL;
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f = fopen(file, "rb");
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if (!f) return NULL;
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if (fstat(fileno(f), &file_stat) || (file_stat.st_size < 1))
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{
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fclose(f);
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return NULL;
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}
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if (!S_ISREG(file_stat.st_mode)) /* if not a regular file - close */
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{
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fclose(f);
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return NULL;
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}
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left = file_stat.st_size;
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/* let's make mmap safe and just get 0 pages for IO erro */
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eina_mmap_safety_enabled_set(EINA_TRUE);
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buffer = mmap(NULL, left, PROT_READ, MAP_SHARED, fileno(f), 0);
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if (buffer == MAP_FAILED)
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{
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fclose(f);
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return NULL;
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}
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data = eina_hash_string_small_new(EINA_FREE_CB(eina_hash_free));
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line_start = buffer;
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while (left > 0)
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{
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int sep;
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/* find the end of line */
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for (line_length = 0;
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(line_length < left) &&
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(line_start[line_length] != '\n'); line_length++)
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;
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/* check for all white space */
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while (isspace(line_start[0]) && (line_length > 0))
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{
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line_start++;
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line_length--;
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}
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/* skip empty lines and comments */
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if ((line_length == 0) || (line_start[0] == '\r') ||
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(line_start[0] == '\n') || (line_start[0] == '#') ||
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(line_start[0] == '\0'))
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goto next_line;
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/* new section */
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if (line_start[0] == '[')
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{
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int header_length;
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/* find the ']' */
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for (header_length = 1;
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(header_length < line_length) &&
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(line_start[header_length] != ']'); ++header_length)
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;
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if (line_start[header_length] == ']')
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{
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const char *header;
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header = alloca(header_length * sizeof(unsigned char));
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if (!header) goto next_line;
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memcpy((char*)header, line_start + 1, header_length - 1);
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((char*)header)[header_length - 1] = '\0';
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section = eina_hash_string_small_new(EINA_FREE_CB(eina_stringshare_del));
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eina_hash_del_by_key(data, header);
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// if (old) INF("[efreet] Warning: duplicate section '%s' "
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// "in file '%s'", header, file);
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eina_hash_add(data, header, section);
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}
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else
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{
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/* invalid file - skip line? or refuse to parse file? */
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/* just printf for now till we figure out what to do */
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// ERR("Invalid file (%s) (missing ] on group name)", file);
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}
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goto next_line;
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}
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if (!section)
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{
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INF("Invalid file (%s) (missing section)", file);
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goto error;
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}
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/* find for '=' */
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for (sep = 0; (sep < line_length) && (line_start[sep] != '='); ++sep)
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;
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if (sep < line_length && line_start[sep] == '=')
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{
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char *key, *value;
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int key_end, value_start, value_end;
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/* trim whitespace from end of key */
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for (key_end = sep - 1;
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(key_end > 0) && isspace(line_start[key_end]); --key_end)
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;
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if (!isspace(line_start[key_end])) key_end++;
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/* trim whitespace from start of value */
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for (value_start = sep + 1;
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(value_start < line_length) &&
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isspace(line_start[value_start]); ++value_start)
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;
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/* trim \n off of end of value */
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for (value_end = line_length;
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(value_end > value_start) &&
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((line_start[value_end] == '\n') ||
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(line_start[value_end] == '\r')); --value_end)
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;
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if (line_start[value_end] != '\n'
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&& line_start[value_end] != '\r'
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&& value_end < line_length)
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value_end++;
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/* make sure we have a key. blank values are allowed */
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if (key_end == 0)
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{
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/* invalid file... */
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// INF("Invalid file (%s) (invalid key=value pair)", file);
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goto next_line;
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}
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key = alloca(key_end + 1);
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value = alloca(value_end - value_start + 1);
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if (!key || !value) goto next_line;
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memcpy(key, line_start, key_end);
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key[key_end] = '\0';
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memcpy(value, line_start + value_start,
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value_end - value_start);
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value[value_end - value_start] = '\0';
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eina_hash_del_by_key(section, key);
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eina_hash_add(section, key, efreet_ini_unescape(value));
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}
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else
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{
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/* invalid file... */
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INF("Invalid file (%s) (missing = from key=value pair)", file);
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goto error;
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}
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next_line:
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left -= line_length + 1;
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line_start += line_length + 1;
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}
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munmap((char*) buffer, file_stat.st_size);
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fclose(f);
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#if 0
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if (!eina_hash_population(data))
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{
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eina_hash_free(data);
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return NULL;
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}
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#endif
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return data;
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error:
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if (data) eina_hash_free(data);
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return NULL;
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}
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EAPI void
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efreet_ini_free(Efreet_Ini *ini)
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{
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if (!ini) return;
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IF_FREE_HASH(ini->data);
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FREE(ini);
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}
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EAPI int
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efreet_ini_save(Efreet_Ini *ini, const char *file)
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{
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char *dir;
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FILE *f;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, 0);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->data, 0);
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EINA_SAFETY_ON_NULL_RETURN_VAL(file, 0);
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dir = ecore_file_dir_get(file);
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if (!ecore_file_mkpath(dir))
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{
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free(dir);
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return 0;
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}
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free(dir);
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f = fopen(file, "wb");
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if (!f) return 0;
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eina_hash_foreach(ini->data, efreet_ini_section_save, f);
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fclose(f);
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return 1;
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}
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EAPI int
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efreet_ini_section_set(Efreet_Ini *ini, const char *section)
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{
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, 0);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->data, 0);
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EINA_SAFETY_ON_NULL_RETURN_VAL(section, 0);
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ini->section = eina_hash_find(ini->data, section);
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return (ini->section ? 1 : 0);
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}
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EAPI void
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efreet_ini_section_add(Efreet_Ini *ini, const char *section)
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{
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Eina_Hash *hash;
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EINA_SAFETY_ON_NULL_RETURN(ini);
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EINA_SAFETY_ON_NULL_RETURN(section);
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if (!ini->data)
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ini->data = eina_hash_string_small_new(EINA_FREE_CB(eina_hash_free));
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if (eina_hash_find(ini->data, section)) return;
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hash = eina_hash_string_small_new(EINA_FREE_CB(eina_stringshare_del));
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eina_hash_add(ini->data, section, hash);
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}
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EAPI const char *
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efreet_ini_string_get(Efreet_Ini *ini, const char *key)
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{
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->section, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(key, NULL);
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return eina_hash_find(ini->section, key);
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}
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EAPI void
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efreet_ini_string_set(Efreet_Ini *ini, const char *key, const char *value)
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{
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EINA_SAFETY_ON_NULL_RETURN(ini);
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EINA_SAFETY_ON_NULL_RETURN(ini->section);
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EINA_SAFETY_ON_NULL_RETURN(key);
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eina_hash_del_by_key(ini->section, key);
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eina_hash_add(ini->section, key, eina_stringshare_add(value));
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}
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EAPI int
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efreet_ini_int_get(Efreet_Ini *ini, const char *key)
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{
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const char *str;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, -1);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->section, -1);
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EINA_SAFETY_ON_NULL_RETURN_VAL(key, -1);
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str = efreet_ini_string_get(ini, key);
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if (str) return atoi(str);
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return -1;
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}
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EAPI void
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efreet_ini_int_set(Efreet_Ini *ini, const char *key, int value)
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{
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char str[12];
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EINA_SAFETY_ON_NULL_RETURN(ini);
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EINA_SAFETY_ON_NULL_RETURN(ini->section);
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EINA_SAFETY_ON_NULL_RETURN(key);
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snprintf(str, 12, "%d", value);
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efreet_ini_string_set(ini, key, str);
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}
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EAPI double
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efreet_ini_double_get(Efreet_Ini *ini, const char *key)
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{
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const char *str;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, -1);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->section, -1);
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EINA_SAFETY_ON_NULL_RETURN_VAL(key, -1);
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str = efreet_ini_string_get(ini, key);
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if (str) return atof(str);
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return -1;
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}
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EAPI void
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efreet_ini_double_set(Efreet_Ini *ini, const char *key, double value)
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{
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char str[512];
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size_t len;
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EINA_SAFETY_ON_NULL_RETURN(ini);
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EINA_SAFETY_ON_NULL_RETURN(ini->section);
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EINA_SAFETY_ON_NULL_RETURN(key);
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snprintf(str, 512, "%.6f", value);
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len = strlen(str) - 1;
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/* Strip trailing zero's */
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while (str[len] == '0' && str[len - 1] != '.') str[len--] = '\0';
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efreet_ini_string_set(ini, key, str);
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}
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EAPI unsigned int
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efreet_ini_boolean_get(Efreet_Ini *ini, const char *key)
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{
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const char *str;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, 0);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->section, 0);
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EINA_SAFETY_ON_NULL_RETURN_VAL(key, 0);
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str = efreet_ini_string_get(ini, key);
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if (str && !strcmp("true", str)) return 1;
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return 0;
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}
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EAPI void
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efreet_ini_boolean_set(Efreet_Ini *ini, const char *key, unsigned int value)
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{
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EINA_SAFETY_ON_NULL_RETURN(ini);
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EINA_SAFETY_ON_NULL_RETURN(ini->section);
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EINA_SAFETY_ON_NULL_RETURN(key);
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if (value) efreet_ini_string_set(ini, key, "true");
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else efreet_ini_string_set(ini, key, "false");
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}
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EAPI const char *
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efreet_ini_localestring_get(Efreet_Ini *ini, const char *key)
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{
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const char *lang, *country, *modifier;
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const char *val = NULL;
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char *buf;
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int maxlen = 5; /* _, @, [, ] and \0 */
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int found = 0;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(ini->section, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(key, NULL);
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lang = efreet_lang_get();
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country = efreet_lang_country_get();
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modifier = efreet_lang_modifier_get();
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maxlen += strlen(key);
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if (lang) maxlen += strlen(lang);
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if (country) maxlen += strlen(country);
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if (modifier) maxlen += strlen(modifier);
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buf = alloca(maxlen);
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if (lang && modifier && country)
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{
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snprintf(buf, maxlen, "%s[%s_%s@%s]", key, lang, country, modifier);
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val = efreet_ini_string_get(ini, buf);
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if (val && (*val != '\0')) found = 1;
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}
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if (!found && lang && country)
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{
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snprintf(buf, maxlen, "%s[%s_%s]", key, lang, country);
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val = efreet_ini_string_get(ini, buf);
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if (val && (*val != '\0')) found = 1;
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}
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if (!found && lang && modifier)
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{
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snprintf(buf, maxlen, "%s[%s@%s]", key, lang, modifier);
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val = efreet_ini_string_get(ini, buf);
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if (val && (*val != '\0')) found = 1;
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}
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if (!found && lang)
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{
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snprintf(buf, maxlen, "%s[%s]", key, lang);
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val = efreet_ini_string_get(ini, buf);
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if (val && (*val != '\0')) found = 1;
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}
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if (!found)
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val = efreet_ini_string_get(ini, key);
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return val;
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}
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EAPI void
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efreet_ini_localestring_set(Efreet_Ini *ini, const char *key, const char *value)
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{
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const char *lang, *country, *modifier;
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char *buf;
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int maxlen = 5; /* _, @, [, ] and \0 */
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EINA_SAFETY_ON_NULL_RETURN(ini);
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EINA_SAFETY_ON_NULL_RETURN(ini->section);
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EINA_SAFETY_ON_NULL_RETURN(key);
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lang = efreet_lang_get();
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country = efreet_lang_country_get();
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modifier = efreet_lang_modifier_get();
|
|
|
|
maxlen += strlen(key);
|
|
if (lang) maxlen += strlen(lang);
|
|
if (country) maxlen += strlen(country);
|
|
if (modifier) maxlen += strlen(modifier);
|
|
|
|
buf = alloca(maxlen);
|
|
|
|
if (lang && modifier && country)
|
|
snprintf(buf, maxlen, "%s[%s_%s@%s]", key, lang, country, modifier);
|
|
else if (lang && country)
|
|
snprintf(buf, maxlen, "%s[%s_%s]", key, lang, country);
|
|
else if (lang && modifier)
|
|
snprintf(buf, maxlen, "%s[%s@%s]", key, lang, modifier);
|
|
else if (lang)
|
|
snprintf(buf, maxlen, "%s[%s]", key, lang);
|
|
else
|
|
return;
|
|
|
|
efreet_ini_string_set(ini, buf, value);
|
|
}
|
|
|
|
EAPI void
|
|
efreet_ini_key_unset(Efreet_Ini *ini, const char *key)
|
|
{
|
|
EINA_SAFETY_ON_NULL_RETURN(ini);
|
|
EINA_SAFETY_ON_NULL_RETURN(ini->section);
|
|
EINA_SAFETY_ON_NULL_RETURN(key);
|
|
|
|
eina_hash_del_by_key(ini->section, key);
|
|
}
|
|
|
|
/**
|
|
* @param str The string to unescape
|
|
* @return An allocated unescaped string
|
|
* @brief Unescapes backslash escapes in a string
|
|
*/
|
|
static const char *
|
|
efreet_ini_unescape(const char *str)
|
|
{
|
|
char *buf, *dest;
|
|
const char *p;
|
|
|
|
if (!strchr(str, '\\')) return eina_stringshare_add(str);
|
|
buf = alloca(strlen(str) + 1);
|
|
|
|
p = str;
|
|
dest = buf;
|
|
while (*p)
|
|
{
|
|
if ((*p == '\\') && (p[1] != '\0'))
|
|
{
|
|
p++;
|
|
switch (*p)
|
|
{
|
|
case 's':
|
|
*(dest++) = ' ';
|
|
break;
|
|
case 'n':
|
|
*(dest++) = '\n';
|
|
break;
|
|
case 't':
|
|
*(dest++) = '\t';
|
|
break;
|
|
case 'r':
|
|
*(dest++) = '\r';
|
|
break;
|
|
case '\\':
|
|
*(dest++) = '\\';
|
|
break;
|
|
default:
|
|
(*dest++) = '\\';
|
|
(*dest++) = *p;
|
|
}
|
|
}
|
|
else
|
|
*(dest++) = *p;
|
|
|
|
p++;
|
|
}
|
|
|
|
*(dest) = '\0';
|
|
return eina_stringshare_add(buf);
|
|
}
|
|
|
|
static Eina_Bool
|
|
efreet_ini_section_save(const Eina_Hash *hash __UNUSED__, const void *key, void *value, void *fdata)
|
|
{
|
|
FILE *f = fdata;
|
|
|
|
fprintf(f, "[%s]\n", (char *)key);
|
|
eina_hash_foreach(value, efreet_ini_value_save, f);
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static Eina_Bool
|
|
efreet_ini_value_save(const Eina_Hash *hash __UNUSED__, const void *key, void *value, void *fdata)
|
|
{
|
|
FILE *f = fdata;
|
|
|
|
fprintf(f, "%s=%s\n", (char *)key, (char *)value);
|
|
return EINA_TRUE;
|
|
}
|