Remove documentation from std.xml due to deprecation in midterm.

This commit is contained in:
berni44 2021-01-28 15:23:28 +01:00
parent 88fd21e736
commit ee67cd3eba

252
std/xml.d
View file

@ -4,7 +4,9 @@
$(RED Warning: This module is considered out-dated and not up to Phobos'
current standards. It will be removed from Phobos in 2.101.0.
If you still need it, go to $(LINK https://github.com/DigitalMars/undeaD))
*/
/*
Classes and functions for creating and parsing XML
The basic architecture of this module is that there are standalone functions,
@ -128,7 +130,7 @@ module std.xml;
enum cdata = "<![CDATA[";
/**
/*
* Returns true if the character is a character according to the XML standard
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -190,7 +192,7 @@ bool isChar(dchar c) @safe @nogc pure nothrow // rule 2
}
}
/**
/*
* Returns true if the character is whitespace according to the XML standard
*
* Only the following characters are considered whitespace in XML - space, tab,
@ -206,7 +208,7 @@ bool isSpace(dchar c) @safe @nogc pure nothrow
return c == '\u0020' || c == '\u0009' || c == '\u000A' || c == '\u000D';
}
/**
/*
* Returns true if the character is a digit according to the XML standard
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -231,7 +233,7 @@ bool isDigit(dchar c) @safe @nogc pure nothrow
}
}
/**
/*
* Returns true if the character is a letter according to the XML standard
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -244,7 +246,7 @@ bool isLetter(dchar c) @safe @nogc nothrow pure // rule 84
return isIdeographic(c) || isBaseChar(c);
}
/**
/*
* Returns true if the character is an ideographic character according to the
* XML standard
*
@ -279,7 +281,7 @@ bool isIdeographic(dchar c) @safe @nogc nothrow pure
}
}
/**
/*
* Returns true if the character is a base character according to the XML
* standard
*
@ -293,7 +295,7 @@ bool isBaseChar(dchar c) @safe @nogc nothrow pure
return lookup(BaseCharTable,c);
}
/**
/*
* Returns true if the character is a combining character according to the
* XML standard
*
@ -307,7 +309,7 @@ bool isCombiningChar(dchar c) @safe @nogc nothrow pure
return lookup(CombiningCharTable,c);
}
/**
/*
* Returns true if the character is an extender according to the XML standard
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -320,7 +322,7 @@ bool isExtender(dchar c) @safe @nogc nothrow pure
return lookup(ExtenderTable,c);
}
/**
/*
* Encodes a string by replacing all characters which need to be escaped with
* appropriate predefined XML entities.
*
@ -385,7 +387,7 @@ S encode(S)(S s)
assert(encode("cat & dog") == "cat &amp; dog");
}
/**
/*
* Mode to use for decoding.
*
* $(DDOC_ENUM_MEMBERS NONE) Do not decode
@ -397,7 +399,7 @@ enum DecodeMode
NONE, LOOSE, STRICT
}
/**
/*
* Decodes a string by unescaping all predefined XML entities.
*
* encode() escapes certain characters (ampersand, quote, apostrophe, less-than
@ -522,7 +524,7 @@ string decode(string s, DecodeMode mode=DecodeMode.LOOSE) @safe pure
assertNot("&#x2G;");
}
/**
/*
* Class representing an XML document.
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -530,18 +532,18 @@ string decode(string s, DecodeMode mode=DecodeMode.LOOSE) @safe pure
*/
class Document : Element
{
/**
/*
* Contains all text which occurs before the root element.
* Defaults to &lt;?xml version="1.0"?&gt;
*/
string prolog = "<?xml version=\"1.0\"?>";
/**
/*
* Contains all text which occurs after the root element.
* Defaults to the empty string
*/
string epilog;
/**
/*
* Constructs a Document by parsing XML text.
*
* This function creates a complete DOM (Document Object Model) tree.
@ -568,7 +570,7 @@ class Document : Element
epilog = *xml.s;
}
/**
/*
* Constructs a Document from a Tag.
*
* Params:
@ -581,7 +583,7 @@ class Document : Element
const
{
/**
/*
* Compares two Documents for equality
*
* Example:
@ -598,7 +600,7 @@ class Document : Element
&& epilog == doc.epilog;
}
/**
/*
* Compares two Documents
*
* You should rarely need to call this function. It exists so that
@ -622,7 +624,7 @@ class Document : Element
return 0;
}
/**
/*
* Returns the hash of a Document
*
* You should rarely need to call this function. It exists so that
@ -633,7 +635,7 @@ class Document : Element
return hash(prolog, hash(epilog, (cast() this).Element.toHash()));
}
/**
/*
* Returns the string representation of a Document. (That is, the
* complete XML of a document).
*/
@ -662,22 +664,22 @@ class Document : Element
assert(b > a);
}
/**
/*
* Class representing an XML element.
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
*/
class Element : Item
{
Tag tag; /// The start tag of the element
Item[] items; /// The element's items
Text[] texts; /// The element's text items
CData[] cdatas; /// The element's CData items
Comment[] comments; /// The element's comments
ProcessingInstruction[] pis; /// The element's processing instructions
Element[] elements; /// The element's child elements
Tag tag; // The start tag of the element
Item[] items; // The element's items
Text[] texts; // The element's text items
CData[] cdatas; // The element's CData items
Comment[] comments; // The element's comments
ProcessingInstruction[] pis; // The element's processing instructions
Element[] elements; // The element's child elements
/**
/*
* Constructs an Element given a name and a string to be used as a Text
* interior.
*
@ -697,7 +699,7 @@ class Element : Item
if (interior.length != 0) opOpAssign!("~")(new Text(interior));
}
/**
/*
* Constructs an Element from a Tag.
*
* Params:
@ -711,7 +713,7 @@ class Element : Item
tag.tagString = tag_.tagString;
}
/**
/*
* Append a text item to the interior of this element
*
* Params:
@ -730,7 +732,7 @@ class Element : Item
appendItem(item);
}
/**
/*
* Append a CData item to the interior of this element
*
* Params:
@ -749,7 +751,7 @@ class Element : Item
appendItem(item);
}
/**
/*
* Append a comment to the interior of this element
*
* Params:
@ -768,7 +770,7 @@ class Element : Item
appendItem(item);
}
/**
/*
* Append a processing instruction to the interior of this element
*
* Params:
@ -787,7 +789,7 @@ class Element : Item
appendItem(item);
}
/**
/*
* Append a complete element to the interior of this element
*
* Params:
@ -832,7 +834,7 @@ class Element : Item
xml.parse();
}
/**
/*
* Compares two Elements for equality
*
* Example:
@ -853,7 +855,7 @@ class Element : Item
return true;
}
/**
/*
* Compares two Elements
*
* You should rarely need to call this function. It exists so that Elements
@ -878,7 +880,7 @@ class Element : Item
}
}
/**
/*
* Returns the hash of an Element
*
* You should rarely need to call this function. It exists so that Elements
@ -893,7 +895,7 @@ class Element : Item
const
{
/**
/*
* Returns the decoded interior of an element.
*
* The element is assumed to contain text <i>only</i>. So, for
@ -917,7 +919,7 @@ class Element : Item
return buffer;
}
/**
/*
* Returns an indented string representation of this item
*
* Params:
@ -953,7 +955,7 @@ class Element : Item
return a;
}
/**
/*
* Returns the string representation of an Element
*
* Example:
@ -976,7 +978,7 @@ class Element : Item
}
}
/**
/*
* Tag types.
*
* $(DDOC_ENUM_MEMBERS START) Used for start tags
@ -986,7 +988,7 @@ class Element : Item
*/
enum TagType { START, END, EMPTY }
/**
/*
* Class representing an XML tag.
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -1000,9 +1002,9 @@ enum TagType { START, END, EMPTY }
*/
class Tag
{
TagType type = TagType.START; /// Type of tag
string name; /// Tag name
string[string] attr; /// Associative array of attributes
TagType type = TagType.START; // Type of tag
string name; // Tag name
string[string] attr; // Associative array of attributes
private string tagString;
invariant()
@ -1027,7 +1029,7 @@ class Tag
}
}
/**
/*
* Constructs an instance of Tag with a specified name and type
*
* The constructor does not initialize the attributes. To initialize the
@ -1117,7 +1119,7 @@ class Tag
const
{
/**
/*
* Compares two Tags for equality
*
* You should rarely need to call this function. It exists so that Tags
@ -1139,7 +1141,7 @@ class Tag
true )));
}
/**
/*
* Compares two Tags
*
* Example:
@ -1159,7 +1161,7 @@ class Tag
0 )));
}
/**
/*
* Returns the hash of a Tag
*
* You should rarely need to call this function. It exists so that Tags
@ -1170,7 +1172,7 @@ class Tag
return .hashOf(name);
}
/**
/*
* Returns the string representation of a Tag
*
* Example:
@ -1204,7 +1206,7 @@ class Tag
string toEmptyString() @safe { return toNonEndString() ~ " />"; }
}
/**
/*
* Returns true if the Tag is a start tag
*
* Example:
@ -1214,7 +1216,7 @@ class Tag
*/
@property bool isStart() @safe @nogc pure nothrow { return type == TagType.START; }
/**
/*
* Returns true if the Tag is an end tag
*
* Example:
@ -1224,7 +1226,7 @@ class Tag
*/
@property bool isEnd() @safe @nogc pure nothrow { return type == TagType.END; }
/**
/*
* Returns true if the Tag is an empty tag
*
* Example:
@ -1236,14 +1238,14 @@ class Tag
}
}
/**
/*
* Class representing a comment
*/
class Comment : Item
{
private string content;
/**
/*
* Construct a comment
*
* Params:
@ -1267,7 +1269,7 @@ class Comment : Item
this.content = content;
}
/**
/*
* Compares two comments for equality
*
* Example:
@ -1283,7 +1285,7 @@ class Comment : Item
return t !is null && content == t.content;
}
/**
/*
* Compares two comments
*
* You should rarely need to call this function. It exists so that Comments
@ -1303,7 +1305,7 @@ class Comment : Item
? (content < t.content ? -1 : 1 ) : 0 );
}
/**
/*
* Returns the hash of a Comment
*
* You should rarely need to call this function. It exists so that Comments
@ -1311,12 +1313,12 @@ class Comment : Item
*/
override size_t toHash() scope const nothrow { return hash(content); }
/**
/*
* Returns a string representation of this comment
*/
override string toString() scope const @safe pure nothrow { return "<!--" ~ content ~ "-->"; }
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return false; } /// Returns false always
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return false; } // Returns false always
}
// https://issues.dlang.org/show_bug.cgi?id=16241
@ -1328,14 +1330,14 @@ class Comment : Item
assertThrown!CommentException(new Comment("--"));
}
/**
/*
* Class representing a Character Data section
*/
class CData : Item
{
private string content;
/**
/*
* Construct a character data section
*
* Params:
@ -1356,7 +1358,7 @@ class CData : Item
this.content = content;
}
/**
/*
* Compares two CDatas for equality
*
* Example:
@ -1372,7 +1374,7 @@ class CData : Item
return t !is null && content == t.content;
}
/**
/*
* Compares two CDatas
*
* You should rarely need to call this function. It exists so that CDatas
@ -1392,7 +1394,7 @@ class CData : Item
? (content < t.content ? -1 : 1 ) : 0 );
}
/**
/*
* Returns the hash of a CData
*
* You should rarely need to call this function. It exists so that CDatas
@ -1400,22 +1402,22 @@ class CData : Item
*/
override size_t toHash() scope const nothrow { return hash(content); }
/**
/*
* Returns a string representation of this CData section
*/
override string toString() scope const @safe pure nothrow { return cdata ~ content ~ "]]>"; }
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return false; } /// Returns false always
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return false; } // Returns false always
}
/**
/*
* Class representing a text (aka Parsed Character Data) section
*/
class Text : Item
{
private string content;
/**
/*
* Construct a text (aka PCData) section
*
* Params:
@ -1433,7 +1435,7 @@ class Text : Item
this.content = encode(content);
}
/**
/*
* Compares two text sections for equality
*
* Example:
@ -1449,7 +1451,7 @@ class Text : Item
return t !is null && content == t.content;
}
/**
/*
* Compares two text sections
*
* You should rarely need to call this function. It exists so that Texts
@ -1469,7 +1471,7 @@ class Text : Item
&& (content != t.content ? (content < t.content ? -1 : 1 ) : 0 );
}
/**
/*
* Returns the hash of a text section
*
* You should rarely need to call this function. It exists so that Texts
@ -1477,25 +1479,25 @@ class Text : Item
*/
override size_t toHash() scope const nothrow { return hash(content); }
/**
/*
* Returns a string representation of this Text section
*/
override string toString() scope const @safe @nogc pure nothrow { return content; }
/**
/*
* Returns true if the content is the empty string
*/
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return content.length == 0; }
}
/**
/*
* Class representing an XML Instruction section
*/
class XMLInstruction : Item
{
private string content;
/**
/*
* Construct an XML Instruction section
*
* Params:
@ -1516,7 +1518,7 @@ class XMLInstruction : Item
this.content = content;
}
/**
/*
* Compares two XML instructions for equality
*
* Example:
@ -1532,7 +1534,7 @@ class XMLInstruction : Item
return t !is null && content == t.content;
}
/**
/*
* Compares two XML instructions
*
* You should rarely need to call this function. It exists so that
@ -1552,7 +1554,7 @@ class XMLInstruction : Item
&& (content != t.content ? (content < t.content ? -1 : 1 ) : 0 );
}
/**
/*
* Returns the hash of an XMLInstruction
*
* You should rarely need to call this function. It exists so that
@ -1560,22 +1562,22 @@ class XMLInstruction : Item
*/
override size_t toHash() scope const nothrow { return hash(content); }
/**
/*
* Returns a string representation of this XmlInstruction
*/
override string toString() scope const @safe pure nothrow { return "<!" ~ content ~ ">"; }
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return false; } /// Returns false always
override @property @safe @nogc pure nothrow scope bool isEmptyXML() const { return false; } // Returns false always
}
/**
/*
* Class representing a Processing Instruction section
*/
class ProcessingInstruction : Item
{
private string content;
/**
/*
* Construct a Processing Instruction section
*
* Params:
@ -1596,7 +1598,7 @@ class ProcessingInstruction : Item
this.content = content;
}
/**
/*
* Compares two processing instructions for equality
*
* Example:
@ -1612,7 +1614,7 @@ class ProcessingInstruction : Item
return t !is null && content == t.content;
}
/**
/*
* Compares two processing instructions
*
* You should rarely need to call this function. It exists so that
@ -1632,7 +1634,7 @@ class ProcessingInstruction : Item
&& (content != t.content ? (content < t.content ? -1 : 1 ) : 0 );
}
/**
/*
* Returns the hash of a ProcessingInstruction
*
* You should rarely need to call this function. It exists so that
@ -1640,32 +1642,32 @@ class ProcessingInstruction : Item
*/
override size_t toHash() scope const nothrow { return hash(content); }
/**
/*
* Returns a string representation of this ProcessingInstruction
*/
override string toString() scope const @safe pure nothrow { return "<?" ~ content ~ "?>"; }
override @property @safe @nogc pure nothrow bool isEmptyXML() scope const { return false; } /// Returns false always
override @property @safe @nogc pure nothrow bool isEmptyXML() scope const { return false; } // Returns false always
}
/**
/*
* Abstract base class for XML items
*/
abstract class Item
{
/// Compares with another Item of same type for equality
// Compares with another Item of same type for equality
abstract override bool opEquals(scope const Object o) @safe const;
/// Compares with another Item of same type
// Compares with another Item of same type
abstract override int opCmp(scope const Object o) @safe const;
/// Returns the hash of this item
// Returns the hash of this item
abstract override size_t toHash() @safe scope const;
/// Returns a string representation of this item
// Returns a string representation of this item
abstract override string toString() @safe scope const;
/**
/*
* Returns an indented string representation of this item
*
* Params:
@ -1678,11 +1680,11 @@ abstract class Item
return s.length == 0 ? [] : [ s ];
}
/// Returns true if the item represents empty XML text
// Returns true if the item represents empty XML text
abstract @property @safe @nogc pure nothrow bool isEmptyXML() scope const;
}
/**
/*
* Class for parsing an XML Document.
*
* This is a subclass of ElementParser. Most of the useful functions are
@ -1700,7 +1702,7 @@ class DocumentParser : ElementParser
{
string xmlText;
/**
/*
* Constructs a DocumentParser.
*
* The input to this function MUST be valid XML.
@ -1742,7 +1744,7 @@ class DocumentParser : ElementParser
assert(doc.items == doc.elements);
}
/**
/*
* Class for parsing an XML element.
*
* Standards: $(LINK2 http://www.w3.org/TR/1998/REC-xml-19980210, XML 1.0)
@ -1789,13 +1791,13 @@ class ElementParser
}
}
/**
/*
* The Tag at the start of the element being parsed. You can read this to
* determine the tag's name and attributes.
*/
@property @safe @nogc pure nothrow const(Tag) tag() const { return tag_; }
/**
/*
* Register a handler which will be called whenever a start tag is
* encountered which matches the specified name. You can also pass null as
* the name, in which case the handler will be called for any unmatched
@ -1831,7 +1833,7 @@ class ElementParser
*/
ParserHandler[string] onStartTag;
/**
/*
* Register a handler which will be called whenever an end tag is
* encountered which matches the specified name. You can also pass null as
* the name, in which case the handler will be called for any unmatched
@ -1867,7 +1869,7 @@ class ElementParser
elementStart = *s;
}
/**
/*
* Register a handler which will be called whenever text is encountered.
*
* Example:
@ -1887,7 +1889,7 @@ class ElementParser
*/
@property @safe @nogc pure nothrow void onText(Handler handler) { textHandler = handler; }
/**
/*
* Register an alternative handler which will be called whenever text
* is encountered. This differs from onText in that onText will decode
* the text, whereas onTextRaw will not. This allows you to make design
@ -1913,7 +1915,7 @@ class ElementParser
*/
@safe @nogc pure nothrow void onTextRaw(Handler handler) { rawTextHandler = handler; }
/**
/*
* Register a handler which will be called whenever a character data
* segment is encountered.
*
@ -1934,7 +1936,7 @@ class ElementParser
*/
@property @safe @nogc pure nothrow void onCData(Handler handler) { cdataHandler = handler; }
/**
/*
* Register a handler which will be called whenever a comment is
* encountered.
*
@ -1955,7 +1957,7 @@ class ElementParser
*/
@property @safe @nogc pure nothrow void onComment(Handler handler) { commentHandler = handler; }
/**
/*
* Register a handler which will be called whenever a processing
* instruction is encountered.
*
@ -1976,7 +1978,7 @@ class ElementParser
*/
@property @safe @nogc pure nothrow void onPI(Handler handler) { piHandler = handler; }
/**
/*
* Register a handler which will be called whenever an XML instruction is
* encountered.
*
@ -1999,7 +2001,7 @@ class ElementParser
*/
@property @safe @nogc pure nothrow void onXI(Handler handler) { xiHandler = handler; }
/**
/*
* Parse an XML element.
*
* Parsing will continue until the end of the current element. Any items
@ -2137,7 +2139,7 @@ class ElementParser
}
}
/**
/*
* Returns that part of the element which has already been parsed
*/
override string toString() const @nogc @safe pure nothrow
@ -2723,7 +2725,7 @@ private
}
}
/**
/*
* Check an entire XML document for well-formedness
*
* Params:
@ -2865,57 +2867,57 @@ EOS";
assert(doc.toString() == s);
}
/** The base class for exceptions thrown by this module */
/* The base class for exceptions thrown by this module */
class XMLException : Exception { this(string msg) @safe pure { super(msg); } }
// Other exceptions
/// Thrown during Comment constructor
// Thrown during Comment constructor
class CommentException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown during CData constructor
// Thrown during CData constructor
class CDataException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown during XMLInstruction constructor
// Thrown during XMLInstruction constructor
class XIException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown during ProcessingInstruction constructor
// Thrown during ProcessingInstruction constructor
class PIException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown during Text constructor
// Thrown during Text constructor
class TextException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown during decode()
// Thrown during decode()
class DecodeException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown if comparing with wrong type
// Thrown if comparing with wrong type
class InvalidTypeException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/// Thrown when parsing for Tags
// Thrown when parsing for Tags
class TagException : XMLException
{ private this(string msg) @safe pure { super(msg); } }
/**
/*
* Thrown during check()
*/
class CheckException : XMLException
{
CheckException err; /// Parent in hierarchy
CheckException err; // Parent in hierarchy
private string tail;
/**
/*
* Name of production rule which failed to parse,
* or specific error message
*/
string msg;
size_t line = 0; /// Line number at which parse failure occurred
size_t column = 0; /// Column number at which parse failure occurred
size_t line = 0; // Line number at which parse failure occurred
size_t column = 0; // Column number at which parse failure occurred
private this(string tail,string msg,Err err=null) @safe pure
{