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 | ||