diff options
Diffstat (limited to 'src/experimental/xmlreader.cpp')
| -rw-r--r-- | src/experimental/xmlreader.cpp | 250 |
1 files changed, 125 insertions, 125 deletions
diff --git a/src/experimental/xmlreader.cpp b/src/experimental/xmlreader.cpp index f11ac04..82f4684 100644 --- a/src/experimental/xmlreader.cpp +++ b/src/experimental/xmlreader.cpp | |||
| @@ -11,13 +11,13 @@ | |||
| 11 | namespace Bu { subExceptionDef( XmlException ) } | 11 | namespace Bu { subExceptionDef( XmlException ) } |
| 12 | 12 | ||
| 13 | Bu::XmlReader::XmlReader( Stream &rInput ) : | 13 | Bu::XmlReader::XmlReader( Stream &rInput ) : |
| 14 | rInput( rInput ), | 14 | rInput( rInput ), |
| 15 | iCurToken( 0 ), | 15 | iCurToken( 0 ), |
| 16 | iNextToken( 0 ), | 16 | iNextToken( 0 ), |
| 17 | bIgnoreWS( true ) | 17 | bIgnoreWS( true ) |
| 18 | { | 18 | { |
| 19 | nextToken(); | 19 | nextToken(); |
| 20 | stDocument(); | 20 | stDocument(); |
| 21 | } | 21 | } |
| 22 | 22 | ||
| 23 | Bu::XmlReader::~XmlReader() | 23 | Bu::XmlReader::~XmlReader() |
| @@ -26,148 +26,148 @@ Bu::XmlReader::~XmlReader() | |||
| 26 | 26 | ||
| 27 | void Bu::XmlReader::fillBuffer() | 27 | void Bu::XmlReader::fillBuffer() |
| 28 | { | 28 | { |
| 29 | if( rInput.isEos() ) | 29 | if( rInput.isEos() ) |
| 30 | return; | 30 | return; |
| 31 | char buf[1024]; | 31 | char buf[1024]; |
| 32 | int iSize = rInput.read( buf, 1024 ); | 32 | int iSize = rInput.read( buf, 1024 ); |
| 33 | sBuf.append( buf, iSize ); | 33 | sBuf.append( buf, iSize ); |
| 34 | } | 34 | } |
| 35 | 35 | ||
| 36 | void Bu::XmlReader::cleanupBuffer( int iUsed ) | 36 | void Bu::XmlReader::cleanupBuffer( int iUsed ) |
| 37 | { | 37 | { |
| 38 | for( int j = 0; j < iUsed; j++ ) | 38 | for( int j = 0; j < iUsed; j++ ) |
| 39 | { | 39 | { |
| 40 | if( sBuf[j] == '\n' ) | 40 | if( sBuf[j] == '\n' ) |
| 41 | { | 41 | { |
| 42 | spNextToken.iLine++; | 42 | spNextToken.iLine++; |
| 43 | spNextToken.iChar = 1; | 43 | spNextToken.iChar = 1; |
| 44 | } | 44 | } |
| 45 | else | 45 | else |
| 46 | { | 46 | { |
| 47 | spNextToken.iChar++; | 47 | spNextToken.iChar++; |
| 48 | } | 48 | } |
| 49 | } | 49 | } |
| 50 | 50 | ||
| 51 | printf("--Deleting %d bytes from front of buffer.\n", iUsed ); | 51 | printf("--Deleting %d bytes from front of buffer.\n", iUsed ); |
| 52 | sBuf.trimFront( iUsed ); | 52 | sBuf.trimFront( iUsed ); |
| 53 | } | 53 | } |
| 54 | 54 | ||
| 55 | int Bu::XmlReader::nextToken() | 55 | int Bu::XmlReader::nextToken() |
| 56 | { | 56 | { |
| 57 | fillBuffer(); | 57 | fillBuffer(); |
| 58 | 58 | ||
| 59 | int iUsed = 1; | 59 | int iUsed = 1; |
| 60 | 60 | ||
| 61 | iCurToken = iNextToken; | 61 | iCurToken = iNextToken; |
| 62 | spCurToken = spNextToken; | 62 | spCurToken = spNextToken; |
| 63 | 63 | ||
| 64 | switch( sBuf[0] ) | 64 | switch( sBuf[0] ) |
| 65 | { | 65 | { |
| 66 | case '<': | 66 | case '<': |
| 67 | if( !strncmp( sBuf.getStr(), "<?xml", 5 ) ) | 67 | if( !strncmp( sBuf.getStr(), "<?xml", 5 ) ) |
| 68 | { | 68 | { |
| 69 | iNextToken = tokXmlDeclHead; | 69 | iNextToken = tokXmlDeclHead; |
| 70 | iUsed = 5; | 70 | iUsed = 5; |
| 71 | } | 71 | } |
| 72 | else | 72 | else |
| 73 | { | 73 | { |
| 74 | iNextToken = '<'; | 74 | iNextToken = '<'; |
| 75 | } | 75 | } |
| 76 | break; | 76 | break; |
| 77 | 77 | ||
| 78 | case '?': | 78 | case '?': |
| 79 | if( sBuf[1] == '>' ) | 79 | if( sBuf[1] == '>' ) |
| 80 | { | 80 | { |
| 81 | iNextToken = tokXmlDeclEnd; | 81 | iNextToken = tokXmlDeclEnd; |
| 82 | iUsed = 2; | 82 | iUsed = 2; |
| 83 | } | 83 | } |
| 84 | else | 84 | else |
| 85 | { | 85 | { |
| 86 | iNextToken = '?'; | 86 | iNextToken = '?'; |
| 87 | } | 87 | } |
| 88 | break; | 88 | break; |
| 89 | 89 | ||
| 90 | case ' ': | 90 | case ' ': |
| 91 | case '\t': | 91 | case '\t': |
| 92 | case '\n': | 92 | case '\n': |
| 93 | case '\r': | 93 | case '\r': |
| 94 | for( int j = 1;; j++ ) | 94 | for( int j = 1;; j++ ) |
| 95 | { | 95 | { |
| 96 | if( j == sBuf.getSize() ) | 96 | if( j == sBuf.getSize() ) |
| 97 | { | 97 | { |
| 98 | if( rInput.isEos() ) | 98 | if( rInput.isEos() ) |
| 99 | error("Reached end of input while waiting for whitespace to end."); | 99 | error("Reached end of input while waiting for whitespace to end."); |
| 100 | 100 | ||
| 101 | fillBuffer(); | 101 | fillBuffer(); |
| 102 | } | 102 | } |
| 103 | if( sBuf[j] == ' ' || sBuf[j] == '\t' || | 103 | if( sBuf[j] == ' ' || sBuf[j] == '\t' || |
| 104 | sBuf[j] == '\n' || sBuf[j] == '\r' ) | 104 | sBuf[j] == '\n' || sBuf[j] == '\r' ) |
| 105 | iUsed++; | 105 | iUsed++; |
| 106 | else | 106 | else |
| 107 | break; | 107 | break; |
| 108 | } | 108 | } |
| 109 | sStr.clear(); | 109 | sStr.clear(); |
| 110 | sStr.append( sBuf, iUsed ); | 110 | sStr.append( sBuf, iUsed ); |
| 111 | iNextToken = tokWS; | 111 | iNextToken = tokWS; |
| 112 | break; | 112 | break; |
| 113 | 113 | ||
| 114 | case '=': | 114 | case '=': |
| 115 | iNextToken = sBuf[0]; | 115 | iNextToken = sBuf[0]; |
| 116 | break; | 116 | break; |
| 117 | 117 | ||
| 118 | default: | 118 | default: |
| 119 | if( (sBuf[0] >= 'a' && sBuf[0] <= 'z') || | 119 | if( (sBuf[0] >= 'a' && sBuf[0] <= 'z') || |
| 120 | (sBuf[0] >= 'A' && sBuf[0] <= 'Z') ) | 120 | (sBuf[0] >= 'A' && sBuf[0] <= 'Z') ) |
| 121 | { | 121 | { |
| 122 | for( int j = 1;; j++ ) | 122 | for( int j = 1;; j++ ) |
| 123 | { | 123 | { |
| 124 | if( j == sBuf.getSize() ) | 124 | if( j == sBuf.getSize() ) |
| 125 | { | 125 | { |
| 126 | if( rInput.isEos() ) | 126 | if( rInput.isEos() ) |
| 127 | error("Reached end of input while waiting for a string to end."); | 127 | error("Reached end of input while waiting for a string to end."); |
| 128 | 128 | ||
| 129 | fillBuffer(); | 129 | fillBuffer(); |
| 130 | } | 130 | } |
| 131 | if( (sBuf[j] >= 'a' && sBuf[j] <= 'z') || | 131 | if( (sBuf[j] >= 'a' && sBuf[j] <= 'z') || |
| 132 | (sBuf[j] >= 'A' && sBuf[j] <= 'Z') ) | 132 | (sBuf[j] >= 'A' && sBuf[j] <= 'Z') ) |
| 133 | iUsed++; | 133 | iUsed++; |
| 134 | else | 134 | else |
| 135 | break; | 135 | break; |
| 136 | } | 136 | } |
| 137 | sStr.clear(); | 137 | sStr.clear(); |
| 138 | sStr.append( sBuf, iUsed ); | 138 | sStr.append( sBuf, iUsed ); |
| 139 | iNextToken = tokIdent; | 139 | iNextToken = tokIdent; |
| 140 | } | 140 | } |
| 141 | } | 141 | } |
| 142 | 142 | ||
| 143 | cleanupBuffer( iUsed ); | 143 | cleanupBuffer( iUsed ); |
| 144 | 144 | ||
| 145 | return iCurToken; | 145 | return iCurToken; |
| 146 | } | 146 | } |
| 147 | 147 | ||
| 148 | void Bu::XmlReader::error( const char *sMessage ) | 148 | void Bu::XmlReader::error( const char *sMessage ) |
| 149 | { | 149 | { |
| 150 | throw Bu::XmlException("%d:%d: %s", | 150 | throw Bu::XmlException("%d:%d: %s", |
| 151 | spCurToken.iLine, spCurToken.iChar, sMessage ); | 151 | spCurToken.iLine, spCurToken.iChar, sMessage ); |
| 152 | } | 152 | } |
| 153 | 153 | ||
| 154 | void Bu::XmlReader::stDocument() | 154 | void Bu::XmlReader::stDocument() |
| 155 | { | 155 | { |
| 156 | stProlog(); | 156 | stProlog(); |
| 157 | } | 157 | } |
| 158 | 158 | ||
| 159 | void Bu::XmlReader::stProlog() | 159 | void Bu::XmlReader::stProlog() |
| 160 | { | 160 | { |
| 161 | stXmlDecl(); | 161 | stXmlDecl(); |
| 162 | } | 162 | } |
| 163 | 163 | ||
| 164 | void Bu::XmlReader::stXmlDecl() | 164 | void Bu::XmlReader::stXmlDecl() |
| 165 | { | 165 | { |
| 166 | if( nextToken() != tokXmlDeclHead ) | 166 | if( nextToken() != tokXmlDeclHead ) |
| 167 | error("You must begin your xml file with a declaration: <?xml ... ?>"); | 167 | error("You must begin your xml file with a declaration: <?xml ... ?>"); |
| 168 | if( nextToken() != tokIdent ) | 168 | if( nextToken() != tokIdent ) |
| 169 | error("A version comes first!"); | 169 | error("A version comes first!"); |
| 170 | if( sStr != "version" ) | 170 | if( sStr != "version" ) |
| 171 | error("No, a version!"); | 171 | error("No, a version!"); |
| 172 | } | 172 | } |
| 173 | 173 | ||
