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-rw-r--r--src/common/raconf.c584
1 files changed, 584 insertions, 0 deletions
diff --git a/src/common/raconf.c b/src/common/raconf.c
new file mode 100644
index 000000000..2703560ff
--- /dev/null
+++ b/src/common/raconf.c
@@ -0,0 +1,584 @@
+//
+// Athena style config parser
+// (would be better to have "one" implementation instead of .. 4 :)
+//
+//
+// Author: Florian Wilkemeyer <fw@f-ws.de>
+//
+// Copyright (c) RAthena Project (www.rathena.org) - Licensed under GNU GPL
+// For more information, see LICENCE in the main folder
+//
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../common/cbasetypes.h"
+#include "../common/showmsg.h"
+#include "../common/db.h"
+#include "../common/malloc.h"
+
+#include "../common/raconf.h"
+
+#define SECTION_LEN 32
+#define VARNAME_LEN 64
+
+struct raconf {
+ DBMap *db;
+};
+
+
+struct conf_value{
+ int64 intval;
+ bool bval;
+ double floatval;
+ size_t strval_len; // not includung \0
+ char strval[16];
+};
+
+
+
+static struct conf_value *makeValue(const char *key, char *val, size_t val_len){
+ struct conf_value *v;
+ char *p;
+ size_t sz;
+
+ sz = sizeof(struct conf_value);
+ if(val_len >= sizeof(v->strval))
+ sz += (val_len - sizeof(v->strval) + 1);
+
+ v = (struct conf_value*)aCalloc(1, sizeof(struct conf_value));
+ if(v == NULL){
+ ShowFatalError("raconf: makeValue => Out of Memory while allocating new node.\n");
+ return NULL;
+ }
+
+ memcpy(v->strval, val, val_len);
+ v->strval[val_len+1] = '\0';
+ v->strval_len = val_len;
+
+
+ // Parse boolean value:
+ if((val_len == 4) && (strncmpi("true", val, 4) == 0))
+ v->bval = true;
+ else if((val_len == 3) && (strncmpi("yes", val, 3) == 0))
+ v->bval = true;
+ else if((val_len == 3) && (strncmpi("oui", val, 3) == 0))
+ v->bval = true;
+ else if((val_len == 2) && (strncmpi("si", val, 2) == 0))
+ v->bval = true;
+ else if((val_len == 2) && (strncmpi("ja", val, 2) == 0))
+ v->bval = true;
+ else if((val_len == 1) && (*val == '1'))
+ v->bval = true;
+ else if((val_len == 5) && (strncmpi("false", val, 5) == 0))
+ v->bval = false;
+ else if((val_len == 2) && (strncmpi("no", val, 2) == 0))
+ v->bval = false;
+ else if((val_len == 3) && (strncmpi("non", val, 3) == 0))
+ v->bval = false;
+ else if((val_len == 2) && (strncmpi("no", val, 2) == 0))
+ v->bval = false;
+ else if((val_len == 4) && (strncmpi("nein", val, 4) == 0))
+ v->bval = false;
+ else if((val_len == 1) && (*val == '0'))
+ v->bval = false;
+ else
+ v->bval = false; // assume false.
+
+ // Parse number
+ // Supported formats:
+ // prefix: 0x hex .
+ // postix: h for hex
+ // b for bin (dual)
+ if( (val_len >= 1 && (val[val_len] == 'h')) || (val_len >= 2 && (val[0] == '0' && val[1] == 'x')) ){//HEX!
+ if(val[val_len] == 'h'){
+ val[val_len]= '\0';
+ v->intval = strtoull(val, NULL, 16);
+ val[val_len] = 'h';
+ }else
+ v->intval = strtoull(&val[2], NULL, 16);
+ }else if( val_len >= 1 && (val[val_len] == 'b') ){ //BIN
+ val[val_len] = '\0';
+ v->intval = strtoull(val, NULL, 2);
+ val[val_len] = 'b';
+ }else if( *val >='0' && *val <= '9'){ // begins with normal digit, so assume its dec.
+ // is it float?
+ bool is_float = false;
+
+ for(p = val; *p != '\0'; p++){
+ if(*p == '.'){
+ v->floatval = strtod(val, NULL);
+ v->intval = (int64) v->floatval;
+ is_float = true;
+ break;
+ }
+ }
+
+ if(is_float == false){
+ v->intval = strtoull(val, NULL, 10);
+ v->floatval = (double) v->intval;
+ }
+ }else{
+ // Everything else: lets use boolean for fallback
+ if(v->bval == true)
+ v->intval = 1;
+ else
+ v->intval = 0;
+ }
+
+ return v;
+}//end: makeValue()
+
+
+static bool configParse(raconf inst, const char *fileName){
+ FILE *fp;
+ char line[4096];
+ char currentSection[SECTION_LEN];
+ char *p;
+ char c;
+ int linecnt;
+ size_t linelen;
+ size_t currentSection_len;
+
+ fp = fopen(fileName, "r");
+ if(fp == NULL){
+ ShowError("configParse: cannot open '%s' for reading.\n", fileName);
+ return false;
+ }
+
+
+ // Start with empty section:
+ currentSection[0] = '\0';
+ currentSection_len = 0;
+
+ //
+ linecnt = 0;
+ while(1){
+ linecnt++;
+
+ if(fgets(line, sizeof(line), fp) != line)
+ break;
+
+ linelen = strlen(line);
+ p = line;
+
+ // Skip whitespaces from beginning (space and tab)
+ _line_begin_skip_whities:
+ c = *p;
+ if(c == ' ' || c == '\t'){
+ p++;
+ linelen--;
+ goto _line_begin_skip_whities;
+ }
+
+ // Remove linebreaks as (cr or lf) and whitespaces from line end!
+ _line_end_skip_whities_and_breaks:
+ c = p[linelen-1];
+ if(c == '\r' || c == '\n' || c == ' ' || c == '\t'){
+ p[--linelen] = '\0';
+ goto _line_end_skip_whities_and_breaks;
+ }
+
+ // Empty line?
+ // or line starts with comment (commented out)?
+ if(linelen == 0 || (p[0] == '/' && p[1] == '/') || p[0] == ';')
+ continue;
+
+ // Variable names can contain:
+ // A-Za-z-_.0-9
+ //
+ // Sections start with [ .. ] (INI Style)
+ //
+ c = *p;
+
+ // check what we have.. :)
+ if(c == '['){ // got section!
+ // Got Section!
+ // Search for ]
+ char *start = (p+1);
+
+ while(1){
+ ++p;
+ c = *p;
+
+ if(c == '\0'){
+ ShowError("Syntax Error: unterminated Section name in %s:%u (expected ']')\n", fileName, linecnt);
+ fclose(fp);
+ return false;
+ }else if(c == ']'){ // closing backet (section name termination)
+ if( (p - start + 1) > (sizeof(currentSection) ) ){
+ ShowError("Syntax Error: Section name in %s:%u is too large (max Supported length: %u chars)\n", fileName, linecnt, sizeof(currentSection)-1);
+ fclose(fp);
+ return false;
+ }
+
+ // Set section!
+ *p = '\0'; // add termination here.
+ memcpy(currentSection, start, (p-start)+1 ); // we'll copy \0, too! (we replaced the ] backet with \0.)
+ currentSection_len = (p-start);
+
+ break;
+
+ }else if( (c >= '0' && c <= '9') || (c == '-') || (c == ' ') || (c == '_') || (c == '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ){
+ // skip .. (allowed char / specifier)
+ continue;
+ }else{
+ ShowError("Syntax Error: Invalid Character '%c' in %s:%u (offset %u) for Section name.\n", c, fileName, linecnt, (p-line));
+ fclose(fp);
+ return false;
+ }
+
+ }//endwhile: parse section name
+
+
+ }else if( (c >= '0' && c <= '9') || (c == '-') || (c == '_') || (c == '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ){
+ // Got variable!
+ // Search for '=' or ':' wich termiantes the name
+ char *start = p;
+ char *valuestart = NULL;
+ size_t start_len;
+
+ while(1){
+ ++p;
+ c = *p;
+
+ if(c == '\0'){
+ ShowError("Syntax Error: unterminated Variable name in %s:%u\n", fileName, linecnt);
+ fclose(fp);
+ return false;
+ }else if( (c == '=') || (c == ':') ){
+ // got name termination
+
+ *p = '\0'; // Terminate it so (start) will hold the pointer to the name.
+
+ break;
+
+ }else if( (c >= '0' && c <= '9') || (c == '-') || (c == '_') || (c == '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ){
+ // skip .. allowed char
+ continue;
+ }else{
+ ShowError("Syntax Error: Invalid Character '%c' in %s:%u (offset %u) for Variable name.\n", c, fileName, linecnt, (p-line));
+ fclose(fp);
+ return false;
+ }
+
+ }//endwhile: parse var name
+
+ start_len = (p-start);
+ if(start_len >= VARNAME_LEN){
+ ShowError("%s:%u Variable length exceeds limit of %u Characters.\n", fileName, linecnt, VARNAME_LEN-1);
+ fclose(fp);
+ return false;
+ }else if(start_len == 0){
+ ShowError("%s:%u Empty Variable name is not allowed.\n", fileName, linecnt);
+ fclose(fp);
+ return false;
+ }
+
+
+ valuestart = (p+1);
+
+
+ // Skip whitespace from begin of value (tab and space)
+ _skip_value_begin_whities:
+ c = *valuestart;
+ if(c == ' ' || c == '\t'){
+ valuestart++;
+ goto _skip_value_begin_whities;
+ }
+
+ // Scan for value termination,
+ // wich can be \0 or comment start (// or ; (INI) )
+ //
+ p = valuestart;
+ while(1){
+ c = *p;
+ if(c == '\0'){
+ // Terminated by line end.
+ break;
+ }else if(c == '/' && p[1] == '/'){
+ // terminated by c++ style comment.
+ *p = '\0';
+ break;
+ }else if(c == ';'){
+ // terminated by ini style comment.
+ *p = '\0';
+ break;
+ }
+
+ p++;
+ }//endwhile: search var value end.
+
+
+ // Strip whitespaces from end of value.
+ if(valuestart != p){ // not empty!
+ p--;
+ _strip_value_end_whities:
+ c = *p;
+ if(c == ' ' || c == '\t'){
+ *p = '\0';
+ p--;
+ goto _strip_value_end_whities;
+ }
+ p++;
+ }
+
+
+ // Buildin Hook:
+ if( stricmp(start, "import") == 0){
+ if( configParse(inst, valuestart) != true){
+ ShowError("%s:%u - Import of '%s' failed!\n", fileName, linecnt, valuestart);
+ }
+ }else{
+ // put it to db.
+ struct conf_value *v, *o;
+ char key[ (SECTION_LEN+VARNAME_LEN+1+1) ]; //+1 for delimiter, +1 for termination.
+ size_t section_len;
+
+ if(*currentSection == '\0'){ // empty / none
+ strncpy(key, "<unnamed>",9);
+ section_len = 9;
+ }else{
+ strncpy(key, currentSection, currentSection_len);
+ section_len = currentSection_len;
+ }
+
+ key[section_len] = '.'; // Delim
+
+ strncpy(&key[section_len+1], start, start_len);
+
+ key[section_len + start_len + 1] = '\0';
+
+
+ v = makeValue(key, valuestart, (p-valuestart) );
+
+ // Try to get the old one before
+ o = strdb_get(inst->db, key);
+ if(o != NULL){
+ strdb_remove(inst->db, key);
+ aFree(o); //
+ }
+
+ strdb_put( inst->db, key, v);
+ }
+
+
+ }else{
+ ShowError("Syntax Error: unexpected Character '%c' in %s:%u (offset %u)\n", c, fileName, linecnt, (p-line) );
+ fclose(fp);
+ return false;
+ }
+
+
+
+ }
+
+
+
+ fclose(fp);
+ return true;
+}//end: configParse()
+
+
+#define MAKEKEY(dest, section, key) { size_t section_len, key_len; \
+ if(section == NULL || *section == '\0'){ \
+ strncpy(dest, "<unnamed>", 9); \
+ section_len = 9; \
+ }else{ \
+ section_len = strlen(section); \
+ strncpy(dest, section, section_len); \
+ } \
+ \
+ dest[section_len] = '.'; \
+ \
+ key_len = strlen(key); \
+ strncpy(&dest[section_len+1], key, key_len); \
+ dest[section_len + key_len + 1] = '\0'; \
+ }
+
+
+raconf raconf_parse(const char *file_name){
+ struct raconf *rc;
+
+ rc = aCalloc(1, sizeof(struct raconf) );
+ if(rc == NULL){
+ ShowFatalError("raconf_parse: failed to allocate memory for new handle\n");
+ return NULL;
+ }
+
+ rc->db = strdb_alloc(DB_OPT_BASE | DB_OPT_DUP_KEY, 98);
+ //
+
+ if(configParse(rc, file_name) != true){
+ ShowError("Failed to Parse Configuration file '%s'\n", file_name);
+ }
+
+ return rc;
+}//end: raconf_parse()
+
+
+void raconf_destroy(raconf rc){
+ DBIterator *iter;
+ struct conf_value *v;
+
+ // Clear all entrys in db.
+ iter = db_iterator(rc->db);
+ for( v = (struct conf_value*)dbi_first(iter); dbi_exists(iter); v = (struct conf_value*)dbi_next(iter) ){
+ aFree(v);
+ }
+ dbi_destroy(iter);
+
+ db_destroy(rc->db);
+
+ aFree(rc);
+
+}//end: raconf_destroy()
+
+bool raconf_getbool(raconf rc, const char *section, const char *key, bool _default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL)
+ return _default;
+ else
+ return v->bval;
+}//end: raconf_getbool()
+
+
+float raconf_getfloat(raconf rc,const char *section, const char *key, float _default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL)
+ return _default;
+ else
+ return (float)v->floatval;
+}//end: raconf_getfloat()
+
+
+int64 raconf_getint(raconf rc, const char *section, const char *key, int64 _default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL)
+ return _default;
+ else
+ return v->intval;
+
+}//end: raconf_getint()
+
+
+const char* raconf_getstr(raconf rc, const char *section, const char *key, const char *_default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL)
+ return _default;
+ else
+ return v->strval;
+}//end: raconf_getstr()
+
+
+bool raconf_getboolEx(raconf rc, const char *section, const char *fallback_section, const char *key, bool _default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+
+ MAKEKEY(keystr, fallback_section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+ return _default;
+ }else{
+ return v->bval;
+ }
+
+ }else{
+ return v->bval;
+ }
+}//end: raconf_getboolEx()
+
+
+float raconf_getfloatEx(raconf rc,const char *section, const char *fallback_section, const char *key, float _default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+
+ MAKEKEY(keystr, fallback_section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+ return _default;
+ }else{
+ return (float)v->floatval;
+ }
+
+ }else{
+ return (float)v->floatval;
+ }
+
+}//end: raconf_getfloatEx()
+
+
+int64 raconf_getintEx(raconf rc, const char *section, const char *fallback_section, const char *key, int64 _default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+
+ MAKEKEY(keystr, fallback_section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+ return _default;
+ }else{
+ return v->intval;
+ }
+
+ }else{
+ return v->intval;
+ }
+
+}//end: raconf_getintEx()
+
+
+const char* raconf_getstrEx(raconf rc, const char *section, const char *fallback_section, const char *key, const char *_default){
+ char keystr[SECTION_LEN + VARNAME_LEN + 1 + 1];
+ struct conf_value *v;
+
+ MAKEKEY(keystr, section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+
+ MAKEKEY(keystr, fallback_section, key);
+ v = strdb_get(rc->db, keystr);
+ if(v == NULL){
+ return _default;
+ }else{
+ return v->strval;
+ }
+
+ }else{
+ return v->strval;
+ }
+
+}//end: raconf_getstrEx()
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