diff options
author | Chris Robinson <[email protected]> | 2018-11-10 00:13:35 -0800 |
---|---|---|
committer | Chris Robinson <[email protected]> | 2018-11-10 00:13:35 -0800 |
commit | 5ec644f859390b13fd47260c97ae34c21d5ca5f1 (patch) | |
tree | 34ba572e374947410737a3d263cbd3d953c5224e /Alc/alconfig.c | |
parent | 981205de36aa05388d431a0c41fff1136aec327d (diff) |
Convert alconfig to C++
Diffstat (limited to 'Alc/alconfig.c')
-rw-r--r-- | Alc/alconfig.c | 698 |
1 files changed, 0 insertions, 698 deletions
diff --git a/Alc/alconfig.c b/Alc/alconfig.c deleted file mode 100644 index 050391af..00000000 --- a/Alc/alconfig.c +++ /dev/null @@ -1,698 +0,0 @@ -/** - * OpenAL cross platform audio library - * Copyright (C) 1999-2007 by authors. - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * Or go to http://www.gnu.org/copyleft/lgpl.html - */ - -#ifdef _WIN32 -#ifdef __MINGW32__ -#define _WIN32_IE 0x501 -#else -#define _WIN32_IE 0x400 -#endif -#endif - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#ifdef _WIN32_IE -#include <windows.h> -#include <shlobj.h> -#endif -#ifdef __APPLE__ -#include <CoreFoundation/CoreFoundation.h> -#endif - -#include "alMain.h" -#include "alconfig.h" -#include "compat.h" -#include "bool.h" - - -typedef struct ConfigEntry { - char *key; - char *value; -} ConfigEntry; - -typedef struct ConfigBlock { - ConfigEntry *entries; - unsigned int entryCount; -} ConfigBlock; -static ConfigBlock cfgBlock; - - -static char *lstrip(char *line) -{ - while(isspace(line[0])) - line++; - return line; -} - -static char *rstrip(char *line) -{ - size_t len = strlen(line); - while(len > 0 && isspace(line[len-1])) - len--; - line[len] = 0; - return line; -} - -static int readline(FILE *f, char **output, size_t *maxlen) -{ - size_t len = 0; - int c; - - while((c=fgetc(f)) != EOF && (c == '\r' || c == '\n')) - ; - if(c == EOF) - return 0; - - do { - if(len+1 >= *maxlen) - { - void *temp = NULL; - size_t newmax; - - newmax = (*maxlen ? (*maxlen)<<1 : 32); - if(newmax > *maxlen) - temp = realloc(*output, newmax); - if(!temp) - { - ERR("Failed to realloc "SZFMT" bytes from "SZFMT"!\n", newmax, *maxlen); - return 0; - } - - *output = temp; - *maxlen = newmax; - } - (*output)[len++] = c; - (*output)[len] = '\0'; - } while((c=fgetc(f)) != EOF && c != '\r' && c != '\n'); - - return 1; -} - - -static char *expdup(const char *str) -{ - char *output = NULL; - size_t maxlen = 0; - size_t len = 0; - - while(*str != '\0') - { - const char *addstr; - size_t addstrlen; - size_t i; - - if(str[0] != '$') - { - const char *next = strchr(str, '$'); - addstr = str; - addstrlen = next ? (size_t)(next-str) : strlen(str); - - str += addstrlen; - } - else - { - str++; - if(*str == '$') - { - const char *next = strchr(str+1, '$'); - addstr = str; - addstrlen = next ? (size_t)(next-str) : strlen(str); - - str += addstrlen; - } - else - { - bool hasbraces; - char envname[1024]; - size_t k = 0; - - hasbraces = (*str == '{'); - if(hasbraces) str++; - - while((isalnum(*str) || *str == '_') && k < sizeof(envname)-1) - envname[k++] = *(str++); - envname[k++] = '\0'; - - if(hasbraces && *str != '}') - continue; - - if(hasbraces) str++; - if((addstr=getenv(envname)) == NULL) - continue; - addstrlen = strlen(addstr); - } - } - if(addstrlen == 0) - continue; - - if(addstrlen >= maxlen-len) - { - void *temp = NULL; - size_t newmax; - - newmax = len+addstrlen+1; - if(newmax > maxlen) - temp = realloc(output, newmax); - if(!temp) - { - ERR("Failed to realloc "SZFMT" bytes from "SZFMT"!\n", newmax, maxlen); - return output; - } - - output = temp; - maxlen = newmax; - } - - for(i = 0;i < addstrlen;i++) - output[len++] = addstr[i]; - output[len] = '\0'; - } - - return output ? output : calloc(1, 1); -} - - -static void LoadConfigFromFile(FILE *f) -{ - char curSection[128] = ""; - char *buffer = NULL; - size_t maxlen = 0; - ConfigEntry *ent; - - while(readline(f, &buffer, &maxlen)) - { - char *line, *comment; - char key[256] = ""; - char value[256] = ""; - - line = rstrip(lstrip(buffer)); - if(!line[0]) continue; - - if(line[0] == '[') - { - char *section = line+1; - char *endsection; - - endsection = strchr(section, ']'); - if(!endsection || section == endsection) - { - ERR("config parse error: bad line \"%s\"\n", line); - continue; - } - if(endsection[1] != 0) - { - char *end = endsection+1; - while(isspace(*end)) - ++end; - if(*end != 0 && *end != '#') - { - ERR("config parse error: bad line \"%s\"\n", line); - continue; - } - } - *endsection = 0; - - if(strcasecmp(section, "general") == 0) - curSection[0] = 0; - else - { - size_t len, p = 0; - do { - char *nextp = strchr(section, '%'); - if(!nextp) - { - strncpy(curSection+p, section, sizeof(curSection)-1-p); - break; - } - - len = nextp - section; - if(len > sizeof(curSection)-1-p) - len = sizeof(curSection)-1-p; - strncpy(curSection+p, section, len); - p += len; - section = nextp; - - if(((section[1] >= '0' && section[1] <= '9') || - (section[1] >= 'a' && section[1] <= 'f') || - (section[1] >= 'A' && section[1] <= 'F')) && - ((section[2] >= '0' && section[2] <= '9') || - (section[2] >= 'a' && section[2] <= 'f') || - (section[2] >= 'A' && section[2] <= 'F'))) - { - unsigned char b = 0; - if(section[1] >= '0' && section[1] <= '9') - b = (section[1]-'0') << 4; - else if(section[1] >= 'a' && section[1] <= 'f') - b = (section[1]-'a'+0xa) << 4; - else if(section[1] >= 'A' && section[1] <= 'F') - b = (section[1]-'A'+0x0a) << 4; - if(section[2] >= '0' && section[2] <= '9') - b |= (section[2]-'0'); - else if(section[2] >= 'a' && section[2] <= 'f') - b |= (section[2]-'a'+0xa); - else if(section[2] >= 'A' && section[2] <= 'F') - b |= (section[2]-'A'+0x0a); - if(p < sizeof(curSection)-1) - curSection[p++] = b; - section += 3; - } - else if(section[1] == '%') - { - if(p < sizeof(curSection)-1) - curSection[p++] = '%'; - section += 2; - } - else - { - if(p < sizeof(curSection)-1) - curSection[p++] = '%'; - section += 1; - } - if(p < sizeof(curSection)-1) - curSection[p] = 0; - } while(p < sizeof(curSection)-1 && *section != 0); - curSection[sizeof(curSection)-1] = 0; - } - - continue; - } - - comment = strchr(line, '#'); - if(comment) *(comment++) = 0; - if(!line[0]) continue; - - if(sscanf(line, "%255[^=] = \"%255[^\"]\"", key, value) == 2 || - sscanf(line, "%255[^=] = '%255[^\']'", key, value) == 2 || - sscanf(line, "%255[^=] = %255[^\n]", key, value) == 2) - { - /* sscanf doesn't handle '' or "" as empty values, so clip it - * manually. */ - if(strcmp(value, "\"\"") == 0 || strcmp(value, "''") == 0) - value[0] = 0; - } - else if(sscanf(line, "%255[^=] %255[=]", key, value) == 2) - { - /* Special case for 'key =' */ - value[0] = 0; - } - else - { - ERR("config parse error: malformed option line: \"%s\"\n\n", line); - continue; - } - rstrip(key); - - if(curSection[0] != 0) - { - size_t len = strlen(curSection); - memmove(&key[len+1], key, sizeof(key)-1-len); - key[len] = '/'; - memcpy(key, curSection, len); - } - - /* Check if we already have this option set */ - ent = cfgBlock.entries; - while((unsigned int)(ent-cfgBlock.entries) < cfgBlock.entryCount) - { - if(strcasecmp(ent->key, key) == 0) - break; - ent++; - } - - if((unsigned int)(ent-cfgBlock.entries) >= cfgBlock.entryCount) - { - /* Allocate a new option entry */ - ent = realloc(cfgBlock.entries, (cfgBlock.entryCount+1)*sizeof(ConfigEntry)); - if(!ent) - { - ERR("config parse error: error reallocating config entries\n"); - continue; - } - cfgBlock.entries = ent; - ent = cfgBlock.entries + cfgBlock.entryCount; - cfgBlock.entryCount++; - - ent->key = strdup(key); - ent->value = NULL; - } - - free(ent->value); - ent->value = expdup(value); - - TRACE("found '%s' = '%s'\n", ent->key, ent->value); - } - - free(buffer); -} - -#ifdef _WIN32 -void ReadALConfig(void) -{ - al_string ppath = AL_STRING_INIT_STATIC(); - WCHAR buffer[MAX_PATH]; - const WCHAR *str; - FILE *f; - - if(SHGetSpecialFolderPathW(NULL, buffer, CSIDL_APPDATA, FALSE) != FALSE) - { - al_string filepath = AL_STRING_INIT_STATIC(); - alstr_copy_wcstr(&filepath, buffer); - alstr_append_cstr(&filepath, "\\alsoft.ini"); - - TRACE("Loading config %s...\n", alstr_get_cstr(filepath)); - f = al_fopen(alstr_get_cstr(filepath), "rt"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - alstr_reset(&filepath); - } - - GetProcBinary(&ppath, NULL); - if(!alstr_empty(ppath)) - { - alstr_append_cstr(&ppath, "\\alsoft.ini"); - TRACE("Loading config %s...\n", alstr_get_cstr(ppath)); - f = al_fopen(alstr_get_cstr(ppath), "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - - if((str=_wgetenv(L"ALSOFT_CONF")) != NULL && *str) - { - al_string filepath = AL_STRING_INIT_STATIC(); - alstr_copy_wcstr(&filepath, str); - - TRACE("Loading config %s...\n", alstr_get_cstr(filepath)); - f = al_fopen(alstr_get_cstr(filepath), "rt"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - alstr_reset(&filepath); - } - - alstr_reset(&ppath); -} -#else -void ReadALConfig(void) -{ - al_string confpaths = AL_STRING_INIT_STATIC(); - al_string fname = AL_STRING_INIT_STATIC(); - const char *str; - FILE *f; - - str = "/etc/openal/alsoft.conf"; - - TRACE("Loading config %s...\n", str); - f = al_fopen(str, "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - - if(!(str=getenv("XDG_CONFIG_DIRS")) || str[0] == 0) - str = "/etc/xdg"; - alstr_copy_cstr(&confpaths, str); - /* Go through the list in reverse, since "the order of base directories - * denotes their importance; the first directory listed is the most - * important". Ergo, we need to load the settings from the later dirs - * first so that the settings in the earlier dirs override them. - */ - while(!alstr_empty(confpaths)) - { - char *next = strrchr(alstr_get_cstr(confpaths), ':'); - if(next) - { - size_t len = next - alstr_get_cstr(confpaths); - alstr_copy_cstr(&fname, next+1); - VECTOR_RESIZE(confpaths, len, len+1); - VECTOR_ELEM(confpaths, len) = 0; - } - else - { - alstr_reset(&fname); - fname = confpaths; - AL_STRING_INIT(confpaths); - } - - if(alstr_empty(fname) || VECTOR_FRONT(fname) != '/') - WARN("Ignoring XDG config dir: %s\n", alstr_get_cstr(fname)); - else - { - if(VECTOR_BACK(fname) != '/') alstr_append_cstr(&fname, "/alsoft.conf"); - else alstr_append_cstr(&fname, "alsoft.conf"); - - TRACE("Loading config %s...\n", alstr_get_cstr(fname)); - f = al_fopen(alstr_get_cstr(fname), "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - alstr_clear(&fname); - } - -#ifdef __APPLE__ - CFBundleRef mainBundle = CFBundleGetMainBundle(); - if(mainBundle) - { - unsigned char fileName[PATH_MAX]; - CFURLRef configURL; - - if((configURL=CFBundleCopyResourceURL(mainBundle, CFSTR(".alsoftrc"), CFSTR(""), NULL)) && - CFURLGetFileSystemRepresentation(configURL, true, fileName, sizeof(fileName))) - { - f = al_fopen((const char*)fileName, "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - } -#endif - - if((str=getenv("HOME")) != NULL && *str) - { - alstr_copy_cstr(&fname, str); - if(VECTOR_BACK(fname) != '/') alstr_append_cstr(&fname, "/.alsoftrc"); - else alstr_append_cstr(&fname, ".alsoftrc"); - - TRACE("Loading config %s...\n", alstr_get_cstr(fname)); - f = al_fopen(alstr_get_cstr(fname), "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - - if((str=getenv("XDG_CONFIG_HOME")) != NULL && str[0] != 0) - { - alstr_copy_cstr(&fname, str); - if(VECTOR_BACK(fname) != '/') alstr_append_cstr(&fname, "/alsoft.conf"); - else alstr_append_cstr(&fname, "alsoft.conf"); - } - else - { - alstr_clear(&fname); - if((str=getenv("HOME")) != NULL && str[0] != 0) - { - alstr_copy_cstr(&fname, str); - if(VECTOR_BACK(fname) != '/') alstr_append_cstr(&fname, "/.config/alsoft.conf"); - else alstr_append_cstr(&fname, ".config/alsoft.conf"); - } - } - if(!alstr_empty(fname)) - { - TRACE("Loading config %s...\n", alstr_get_cstr(fname)); - f = al_fopen(alstr_get_cstr(fname), "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - - alstr_clear(&fname); - GetProcBinary(&fname, NULL); - if(!alstr_empty(fname)) - { - if(VECTOR_BACK(fname) != '/') alstr_append_cstr(&fname, "/alsoft.conf"); - else alstr_append_cstr(&fname, "alsoft.conf"); - - TRACE("Loading config %s...\n", alstr_get_cstr(fname)); - f = al_fopen(alstr_get_cstr(fname), "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - - if((str=getenv("ALSOFT_CONF")) != NULL && *str) - { - TRACE("Loading config %s...\n", str); - f = al_fopen(str, "r"); - if(f) - { - LoadConfigFromFile(f); - fclose(f); - } - } - - alstr_reset(&fname); - alstr_reset(&confpaths); -} -#endif - -void FreeALConfig(void) -{ - unsigned int i; - - for(i = 0;i < cfgBlock.entryCount;i++) - { - free(cfgBlock.entries[i].key); - free(cfgBlock.entries[i].value); - } - free(cfgBlock.entries); -} - -const char *GetConfigValue(const char *devName, const char *blockName, const char *keyName, const char *def) -{ - unsigned int i; - char key[256]; - - if(!keyName) - return def; - - if(blockName && strcasecmp(blockName, "general") != 0) - { - if(devName) - snprintf(key, sizeof(key), "%s/%s/%s", blockName, devName, keyName); - else - snprintf(key, sizeof(key), "%s/%s", blockName, keyName); - } - else - { - if(devName) - snprintf(key, sizeof(key), "%s/%s", devName, keyName); - else - { - strncpy(key, keyName, sizeof(key)-1); - key[sizeof(key)-1] = 0; - } - } - - for(i = 0;i < cfgBlock.entryCount;i++) - { - if(strcmp(cfgBlock.entries[i].key, key) == 0) - { - TRACE("Found %s = \"%s\"\n", key, cfgBlock.entries[i].value); - if(cfgBlock.entries[i].value[0]) - return cfgBlock.entries[i].value; - return def; - } - } - - if(!devName) - { - TRACE("Key %s not found\n", key); - return def; - } - return GetConfigValue(NULL, blockName, keyName, def); -} - -int ConfigValueExists(const char *devName, const char *blockName, const char *keyName) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - return val[0] != 0; -} - -int ConfigValueStr(const char *devName, const char *blockName, const char *keyName, const char **ret) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - if(!val[0]) return 0; - - *ret = val; - return 1; -} - -int ConfigValueInt(const char *devName, const char *blockName, const char *keyName, int *ret) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - if(!val[0]) return 0; - - *ret = strtol(val, NULL, 0); - return 1; -} - -int ConfigValueUInt(const char *devName, const char *blockName, const char *keyName, unsigned int *ret) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - if(!val[0]) return 0; - - *ret = strtoul(val, NULL, 0); - return 1; -} - -int ConfigValueFloat(const char *devName, const char *blockName, const char *keyName, float *ret) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - if(!val[0]) return 0; - -#ifdef HAVE_STRTOF - *ret = strtof(val, NULL); -#else - *ret = (float)strtod(val, NULL); -#endif - return 1; -} - -int ConfigValueBool(const char *devName, const char *blockName, const char *keyName, int *ret) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - if(!val[0]) return 0; - - *ret = (strcasecmp(val, "true") == 0 || strcasecmp(val, "yes") == 0 || - strcasecmp(val, "on") == 0 || atoi(val) != 0); - return 1; -} - -int GetConfigValueBool(const char *devName, const char *blockName, const char *keyName, int def) -{ - const char *val = GetConfigValue(devName, blockName, keyName, ""); - - if(!val[0]) return def != 0; - return (strcasecmp(val, "true") == 0 || strcasecmp(val, "yes") == 0 || - strcasecmp(val, "on") == 0 || atoi(val) != 0); -} |