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Annotation of parser3/src/main/pa_charset_manager.C, revision 1.3

1.1       parser      1: /** @file
                      2:        Parser: sql driver manager implementation.
                      3: 
                      4:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
                      5:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
                      6: 
1.3     ! parser      7:        $Id: pa_charset_manager.C,v 1.2 2001/10/02 17:10:41 parser Exp $
1.1       parser      8: */
                      9: #include "pa_config_includes.h"
                     10: 
                     11: #include "pa_charset_manager.h"
                     12: #include "ltdl.h"
                     13: #include "pa_exception.h"
                     14: #include "pa_common.h"
                     15: #include "pa_threads.h"
                     16: 
                     17: // globals
                     18: 
                     19: Charset_manager *charset_manager;
                     20: 
                     21: // consts
                     22: 
                     23: 
                     24: // Charset_manager
                     25: 
                     26: Charset_connection& Charset_manager::get_connection(const String& request_name, const String& request_file_spec) {
                     27:        Pool& pool=request_name.pool(); // request pool                                                                                    
                     28: 
                     29:        // first trying to get cached
                     30:        Charset_connection *result=get_connection_from_cache(request_file_spec);
                     31:        if(!result) {
                     32:                // then just construct it
                     33: 
                     34:                // make global_name C-string on global pool
                     35:                const char *request_name_cstr=request_name.cstr(String::UL_FILE_SPEC);
                     36:                char *global_name_cstr=(char *)malloc(strlen(request_name_cstr)+1);
                     37:                strcpy(global_name_cstr, request_name_cstr);
                     38:                // make global_name string on global pool
                     39:                String& global_name=*new(this->pool()) String(this->pool(), global_name_cstr);
                     40: 
                     41:                // make global_file_spec C-string on global pool
                     42:                const char *request_file_spec_cstr=request_file_spec.cstr(String::UL_FILE_SPEC);
                     43:                char *global_file_spec_cstr=(char *)malloc(strlen(request_file_spec_cstr)+1);
                     44:                strcpy(global_file_spec_cstr, request_file_spec_cstr);
                     45:                // make global_file_spec string on global pool
                     46:                String& global_file_spec=*new(this->pool()) String(this->pool(), global_file_spec_cstr);
                     47:                
                     48:                // construct result
                     49:                result=new(this->pool()) Charset_connection(this->pool(), global_name, global_file_spec);
                     50:                // cache it
                     51:                put_connection_to_cache(global_file_spec, *result);
                     52:        }
                     53:        // preload file, need to make addEncoding for xml
                     54:        result->up_to_date(pool); 
                     55:        // return it
                     56:        return *result;
                     57: }
                     58: 
                     59: //  cache
                     60: Charset_connection *Charset_manager::get_connection_from_cache(const String& file_spec) { 
                     61:        SYNCHRONIZED;
                     62: 
                     63:        return (Charset_connection *)cache.get(file_spec);
                     64: }
                     65: 
                     66: void Charset_manager::put_connection_to_cache(const String& file_spec, 
                     67:                                                                                                 Charset_connection& connection) { 
                     68:        SYNCHRONIZED;
                     69: 
                     70:        cache.put(file_spec, &connection);
                     71: }