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authorMike Buland <eichlan@xagasoft.com>2009-02-11 05:29:41 +0000
committerMike Buland <eichlan@xagasoft.com>2009-02-11 05:29:41 +0000
commitf4b191f0ea396b58465bfba40749977780a3af58 (patch)
tree891490e91ab3b67524be67b2b71c85d84fd2f92a /src/old/xmlreader.h
parent292ae9453e7fdb2f1023ed9dfc99cbcd751f8b90 (diff)
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Just removing some things that are cluttering up the source tree.
Diffstat (limited to 'src/old/xmlreader.h')
-rw-r--r--src/old/xmlreader.h144
1 files changed, 0 insertions, 144 deletions
diff --git a/src/old/xmlreader.h b/src/old/xmlreader.h
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1#ifndef XMLREADER
2#define XMLREADER
3
4#include <stdio.h>
5#include "bu/xmldocument.h"
6#include "bu/hash.h"
7#include "bu/fstring.h"
8#include "bu/stream.h"
9
10/**
11 * Takes care of reading in xml formatted data from a file. This could/should
12 * be made more arbitrary in the future so that we can read the data from any
13 * source. This is actually made quite simple already since all data read in
14 * is handled by one single helper function and then palced into a FlexBuf for
15 * easy access by the other functions. The FlexBuf also allows for block
16 * reading from disk, which improves speed by a noticable amount.
17 * <br>
18 * There are also some extra features implemented that allow you to break the
19 * standard XML reader specs and eliminate leading and trailing whitespace in
20 * all read content. This is useful in situations where you allow additional
21 * whitespace in the files to make them easily human readable. The resturned
22 * content will be NULL in sitautions where all content between nodes was
23 * stripped.
24 *@author Mike Buland
25 */
26class XmlReader : public XmlDocument
27{
28public:
29 /**
30 * Create a standard XmlReader. The optional parameter bStrip allows you to
31 * create a reader that will strip out all leading and trailing whitespace
32 * in content, a-la html.
33 *@param bStrip Strip out leading and trailing whitespace?
34 */
35 XmlReader( Bu::Stream &sIn, bool bStrip=false );
36
37 /**
38 * Destroy this XmlReader.
39 */
40 virtual ~XmlReader();
41
42 /**
43 * Build a document based on some kind of input. This is called
44 * automatically by the constructor.
45 */
46 bool buildDoc();
47
48private:
49 /**
50 * This is called by the low level automoton in order to get the next
51 * character. This function should return a character at the current
52 * position plus nIndex, but does not increment the current character.
53 *@param nIndex The index of the character from the current stream position.
54 *@returns A single character at the requested position, or 0 for end of
55 * stream.
56 */
57 virtual char getChar( int nIndex = 0 );
58
59 /**
60 * Called to increment the current stream position by a single character.
61 */
62 virtual void usedChar( int nAmnt = 1 );
63
64 /**
65 * Automoton function: is whitespace.
66 *@param chr A character
67 *@returns True if chr is whitespace, false otherwise.
68 */
69 bool isws( char chr );
70
71 /**
72 * Automoton function: ws. Skips sections of whitespace.
73 *@returns True if everything was ok, False for end of stream.
74 */
75 bool ws();
76
77 /**
78 * Automoton function: node. Processes an XmlNode
79 *@returns True if everything was ok, False for end of stream.
80 */
81 bool node();
82
83 /**
84 * Automoton function: startNode. Processes the begining of a node.
85 *@returns True if everything was ok, False for end of stream.
86 */
87 bool startNode();
88
89 /**
90 * Automoton function: name. Processes the name of a node.
91 *@returns True if everything was ok, False for end of stream.
92 */
93 bool name();
94
95 /**
96 * Automoton function: textDecl. Processes the xml text decleration, if
97 * there is one.
98 */
99 void textDecl();
100
101 /**
102 * Automoton function: entity. Processes an entity from the header.
103 */
104 void entity();
105
106 /**
107 * Adds an entity to the list, if it doesn't already exist.
108 *@param name The name of the entity
109 *@param value The value of the entity
110 */
111 void addEntity( const Bu::FString &name, const Bu::FString &value );
112
113 Bu::FString getEscape();
114
115 /**
116 * Automoton function: paramlist. Processes a list of node params.
117 *@returns True if everything was ok, False for end of stream.
118 */
119 bool paramlist();
120
121 /**
122 * Automoton function: param. Processes a single parameter.
123 *@returns True if everything was ok, False for end of stream.
124 */
125 bool param();
126
127 /**
128 * Automoton function: content. Processes node content.
129 *@returns True if everything was ok, False for end of stream.
130 */
131 bool content();
132
133 Bu::FString sContent; /**< buffer for the current node's content. */
134 Bu::FString sParamName; /**< buffer for the current param's name. */
135 Bu::FString sParamValue; /**< buffer for the current param's value. */
136 Bu::Stream &sIn;
137 bool bStrip; /**< Are we stripping whitespace? */
138
139 Bu::Hash<Bu::FString,Bu::FString> htEntity; /**< Entity type definitions. */
140
141 Bu::FString sBuf;
142};
143
144#endif