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Annotation of parser3/src/main/pa_charsets.C, revision 1.22

1.1       paf         1: /** @file
                      2:        Parser: sql driver manager implementation.
                      3: 
1.21      moko        4:        Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
1.6       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.9       paf         6: */
1.1       paf         7: 
1.19      moko        8: #include "pa_charsets.h"
1.1       paf         9: 
1.22    ! moko       10: volatile const char * IDENT_PA_CHARSETS_C="$Id: pa_charsets.C,v 1.21 2015/10/26 01:21:58 moko Exp $" IDENT_PA_CHARSETS_H;
1.12      paf        11: 
                     12: // defines for globals
                     13: 
                     14: #define CHARSET_UTF8_NAME "UTF-8"
1.1       paf        15: 
                     16: // globals
                     17: 
1.12      paf        18: Charset UTF8_charset(0, *new String(CHARSET_UTF8_NAME), 0/*no file=system*/);
1.1       paf        19: 
1.12      paf        20: Charsets charsets;
1.1       paf        21: 
1.12      paf        22: // methods
1.1       paf        23: 
1.12      paf        24: Charsets::Charsets() {
                     25:        put(UTF8_charset.NAME(), &UTF8_charset);
1.1       paf        26: }
                     27: 
1.22    ! moko       28: Charset& Charsets::get(String::Body ANAME) {
        !            29:        ANAME=str_upper(ANAME.cstr(), ANAME.length());
1.18      misha      30:        if(Charset* result=HashString<value_type>::get(ANAME))
1.2       paf        31:                return *result;
                     32:        else
1.22    ! moko       33:                throw Exception(PARSER_RUNTIME, new String(ANAME, String::L_TAINTED), "unknown charset");
        !            34: }
        !            35: 
        !            36: Charset& Charsets::get_direct(const char *ANAME) {
        !            37:        if(Charset* result=HashString<value_type>::get(ANAME))
        !            38:                return *result;
        !            39:        else
        !            40:                throw Exception(PARSER_RUNTIME, new String(ANAME, String::L_TAINTED), "unknown charset");
1.2       paf        41: }
1.3       paf        42: 
1.20      moko       43: Charset* Charsets::checkBOM(char *&body,size_t &body_size, Charset* enforced_charset){
                     44:        if((!enforced_charset || enforced_charset->isUTF8()) && (body_size>=3 && strncmp(body, "\xEF\xBB\xBF", 3)==0)){
                     45:                // skip UTF-8 signature (BOM code)
                     46:                body+=3;
                     47:                body_size-=3;
                     48:                return &UTF8_charset;
                     49:        }
                     50:        return enforced_charset;
                     51: }
                     52: 
1.22    ! moko       53: void Charsets::load_charset(Request_charsets& charsets, String::Body ANAME, const String& afile_spec) {
        !            54:        ANAME=str_upper(ANAME.cstr(), ANAME.length());
1.3       paf        55:        //we know that charset?
1.18      misha      56:        if(HashString<value_type>::get(ANAME))
1.3       paf        57:                return; // don't load it then
                     58: 
1.12      paf        59:        put(ANAME, new Charset(&charsets, ANAME, &afile_spec));
1.4       paf        60: }