Satoshi Togawa
Download NHK English news podcast automatically. XML Parser "spxml" is used. This application requires mpod mother board. See also http://mbed.org/users/geodenx/notebook/mpod/
Dependencies: BlinkLed HTTPClient EthernetInterface FatFileSystemCpp MSCFileSystem spxml mbed-rtos mbed
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mpod_nhk_english
by 
Satoshi Togawa
Download NHK English news podcast automatically.
XML Parser "spxml" is used.
This application requires mpod mother board.
See also http://mbed.org/users/geodenx/notebook/mpod/
Diff: spxml/spxmlcodec.cpp
- Revision:
- 8:a9541e8897f5
- Parent:
- 7:ad9fcf0e1bc5
--- a/spxml/spxmlcodec.cpp Sat Sep 01 04:09:48 2012 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,175 +0,0 @@
-/*
- * Copyright 2007 Stephen Liu
- * For license terms, see the file COPYING along with this library.
- */
-
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#include "spxmlcodec.hpp"
-#include "spxmlutils.hpp"
-
-const char * SP_XmlStringCodec :: DEFAULT_ENCODING = "utf-8";
-
-const char SP_XmlStringCodec :: XML_CHARS [] =
- { '<', '>', '&', '\'', '"' };
-const char * SP_XmlStringCodec :: ESC_CHARS [] =
- { "<", ">", "&", "'", """ };
-
-int SP_XmlStringCodec :: decode( const char * encoding, const char * encodeValue,
- SP_XmlStringBuffer * outBuffer )
-{
- int isUtf8 = ( 0 == strcasecmp( encoding, "utf-8" ) );
-
- const char * pos = encodeValue;
- for( ; '\0' != *pos; ) {
- if( '&' == *pos ) {
- int index = -1;
- int len = 0;
- for( int i = 0; i < (int)( sizeof( ESC_CHARS ) / sizeof( ESC_CHARS[0] ) ); i++ ) {
- len = strlen( ESC_CHARS[ i ] );
- if( 0 == strncmp( pos, ESC_CHARS[i], len ) ) {
- index = i;
- break;
- }
- }
- if( index >= 0 ) {
- outBuffer->append( XML_CHARS[ index ] );
- pos += len;
- } else {
- char * next = "";
- int ch = 0;
- if( '#' == *( pos + 1 ) ) {
- if( 'x' == *( pos + 2 ) ) {
- ch = strtol( pos + 3, &next, 16 );
- } else {
- ch = strtol( pos + 2, &next, 10 );
- }
- }
-
- // TODO: fully support xml entity, currently only support unicode entity
- if( ';' == *next && 0 != ch ) {
- if( isUtf8 ) {
- SP_XmlUtf8Codec::uni2utf8( ch, outBuffer );
- } else {
- outBuffer->append( ch );
- }
- pos = next + 1;
- } else {
- outBuffer->append( *pos++ );
- }
- }
- } else {
- outBuffer->append( *pos++ );
- }
- }
-
- return 0;
-}
-
-int SP_XmlStringCodec :: encode( const char * encoding, const char * decodeValue,
- SP_XmlStringBuffer * outBuffer )
-{
- int isUtf8 = ( 0 == strcasecmp( encoding, "utf-8" ) );
-
- const unsigned char * pos = (unsigned char *)decodeValue;
- for( ; '\0' != *pos; pos++ ) {
- int index = -1;
- for( int i = 0; i < (int)( sizeof( XML_CHARS ) / sizeof( XML_CHARS[0] ) ); i++ ) {
- if( XML_CHARS[i] == *pos ) {
- index = i;
- break;
- }
- }
- if( index >= 0 && '\'' != *pos ) {
- outBuffer->append( ESC_CHARS[ index ] );
- } else {
- if( isUtf8 ) {
- int ch = 0;
- int len = SP_XmlUtf8Codec::utf82uni( (unsigned char*)pos, &ch );
-
- if( len > 0 ) {
- pos += len - 1;
-
- char temp[ 32 ] = { 0 };
- snprintf( temp, sizeof( temp ), "&#%d;", ch );
- outBuffer->append( temp );
- } else {
- outBuffer->append( *pos );
- }
- } else {
- if( *pos < 32 ) {
- char temp[ 32 ] = { 0 };
- snprintf( temp, sizeof( temp ), "&#%d;", *pos );
- outBuffer->append( temp );
- } else {
- outBuffer->append( *pos );
- }
- }
- }
- }
-
- return 0;
-}
-
-int SP_XmlStringCodec :: isNameChar( const char * encoding, char c )
-{
- if( 0 == strcasecmp( encoding, "utf-8" ) ) {
- return 1;
- } else {
- return isalnum(c) || c == ':' || c == '-' || c == '.' || c == '_';
- }
-}
-
-//=========================================================
-
-int SP_XmlUtf8Codec :: utf82uni( const unsigned char * utf8, int * ch )
-{
- int len = 0;
-
- unsigned char c1 = 0, c2 = 0, c3 = 0, c4 = 0;
-
- if( *utf8 >= 0x80 ) {
- c1 = *utf8++;
-
- if( c1 < 0xE0 ) { // 2 bytes
- if( '\0' != ( c2 = *utf8 ) ) {
- *ch = ((c1 & 0x1F) << 6) | (c2 & 0x3F);
- len = 2;
- }
- } else if( c1 < 0xF0 ) { // 3 bytes
- if( '\0' != ( c2 = *utf8++ ) && '\0' != ( c3 = *utf8 ) ) {
- *ch = ((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6)| (c3 & 0x3F);
- len = 3;
- }
- } else { // 4 bytes
- if( '\0' != ( c2 = *utf8++ ) && '\0' != ( c3 = *utf8++ )
- && '\0' != ( c4 = *utf8 ) ) {
- *ch = ((c1 & 0x07) << 16) | ((c2 & 0x3F) << 12)
- | ((c3 & 0x3F) << 6) | (c4 & 0x3F);
- len = 4;
- }
- }
- }
-
- return len;
-}
-
-void SP_XmlUtf8Codec :: uni2utf8( int ch, SP_XmlStringBuffer * outBuffer )
-{
- if( ch < 0x80 ) outBuffer->append( ch );
- else if( ch < 0x800 ) {
- outBuffer->append( 0xC0 | ( ch >> 6 ) );
- outBuffer->append( 0x80 | ( ch & 0x3F ) );
- } else if( ch < 0x10000 ) {
- outBuffer->append( 0xE0 | ( ch >> 12 ) );
- outBuffer->append( 0x80 | ( ( ch >> 6 ) & 0x3F ) );
- outBuffer->append( 0x80 | ( ch & 0x3F ) );
- } else if( ch < 0x200000 ) {
- outBuffer->append( 0xF0 | ( ch >> 18 ) );
- outBuffer->append( 0x80 | ( ( ch >> 12 ) & 0x3F ) );
- outBuffer->append( 0x80 | ( ( ch >> 6 ) & 0x3F ) );
- outBuffer->append( 0x80 | ( ch & 0x3F ) );
- }
-}