577 lines
15 KiB
C
577 lines
15 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <ctype.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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Eina_Hash *data = NULL, *section = NULL;
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Eina_Iterator *it = NULL;
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Eina_File_Line *line;
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Eina_File *f;
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f = eina_file_open(file, EINA_FALSE);
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if (!f)
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return NULL;
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data = eina_hash_string_small_new(EINA_FREE_CB(eina_hash_free));
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if (!data) goto error;
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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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it = eina_file_map_lines(f);
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if (!it) goto error;
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EINA_ITERATOR_FOREACH(it, line)
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{
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const char *eq;
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unsigned int start = 0;
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/* skip empty lines */
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if (line->length == 0) continue;
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/* skip white space at start of line */
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while ((start < line->length) && (isspace((unsigned char)line->start[start])))
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start++;
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/* skip empty lines */
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if (start == line->length) continue;
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/* skip comments */
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if (line->start[start] == '#') continue;
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/* new section */
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if (line->start[start] == '[')
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{
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const char *head_start;
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const char *head_end;
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head_start = &(line->start[start]) + 1;
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head_end = memchr(line->start, ']', line->length);
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if (head_end)
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{
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char *header;
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size_t len;
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len = head_end - head_start + 1;
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header = alloca(len);
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memcpy(header, head_start, len - 1);
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header[len - 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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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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continue;
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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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eq = memchr(line->start, '=', line->length);
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if (eq)
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{
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const char *key_start, *key_end;
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const char *value_start, *value_end;
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char *key, *value;
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size_t len;
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key_start = &(line->start[start]);
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key_end = eq - 1;
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/* trim whitespace from end of key */
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while ((isspace((unsigned char)*key_end)) && (key_end > key_start))
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key_end--;
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key_end++;
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/* make sure we have a key */
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if (key_start == key_end) continue;
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value_start = eq + 1;
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value_end = line->end;
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/* line->end points to char after '\n' or '\r' */
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value_end--;
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/* trim whitespace from end of value */
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while ((isspace((unsigned char)*value_end)) && (value_end > value_start))
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value_end--;
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value_end++;
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/* trim whitespace from start of value */
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while ((isspace((unsigned char)*value_start)) && (value_start < value_end))
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value_start++;
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len = key_end - key_start + 1;
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key = alloca(len);
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memcpy(key, key_start, len - 1);
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key[len - 1] = '\0';
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/* empty value allowed */
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if (value_end == value_start)
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{
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eina_hash_del_by_key(section, key);
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eina_hash_add(section, key, "");
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}
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else
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{
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len = value_end - value_start + 1;
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value = alloca(len);
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memcpy(value, value_start, len - 1);
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value[len - 1] = '\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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}
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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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}
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eina_iterator_free(it);
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eina_file_close(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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if (it) eina_iterator_free(it);
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eina_file_close(f);
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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();
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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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snprintf(buf, maxlen, "%s[%s_%s@%s]", key, lang, country, modifier);
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else if (lang && country)
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snprintf(buf, maxlen, "%s[%s_%s]", key, lang, country);
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else if (lang && modifier)
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snprintf(buf, maxlen, "%s[%s@%s]", key, lang, modifier);
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else if (lang)
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snprintf(buf, maxlen, "%s[%s]", key, lang);
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else
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return;
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efreet_ini_string_set(ini, buf, value);
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}
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EAPI void
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efreet_ini_key_unset(Efreet_Ini *ini, const char *key)
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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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}
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/**
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* @param str The string to unescape
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* @return An allocated unescaped string
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* @brief Unescapes backslash escapes in a string
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*/
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static const char *
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efreet_ini_unescape(const char *str)
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{
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char *buf, *dest;
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const char *p;
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if (!strchr(str, '\\')) return eina_stringshare_add(str);
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buf = alloca(strlen(str) + 1);
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p = str;
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dest = buf;
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while (*p)
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{
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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 EINA_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 EINA_UNUSED, const void *key, void *value, void *fdata)
|
|
{
|
|
FILE *f = fdata;
|
|
|
|
fprintf(f, "%s=%s\n", (char *)key, (char *)value);
|
|
return EINA_TRUE;
|
|
}
|