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MyHTML.pm
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package HTML::MyHTML;
use utf8;
use strict;
use vars qw($AUTOLOAD $VERSION $ABSTRACT @ISA @EXPORT);
BEGIN {
$VERSION = 2.00;
$ABSTRACT = "Fast HTML Parser using Threads with no outside dependencies";
@ISA = qw(Exporter DynaLoader);
@EXPORT = qw(
MyENCODING_DEFAULT MyENCODING_NOT_DETERMINED MyENCODING_UTF_8 MyENCODING_UTF_16LE MyENCODING_UTF_16BE
MyENCODING_X_USER_DEFINED MyENCODING_BIG5 MyENCODING_EUC_JP MyENCODING_EUC_KR MyENCODING_GB18030 MyENCODING_GBK
MyENCODING_IBM866 MyENCODING_ISO_2022_JP MyENCODING_ISO_8859_10 MyENCODING_ISO_8859_13 MyENCODING_ISO_8859_14
MyENCODING_ISO_8859_15 MyENCODING_ISO_8859_16 MyENCODING_ISO_8859_2 MyENCODING_ISO_8859_3 MyENCODING_ISO_8859_4
MyENCODING_ISO_8859_5 MyENCODING_ISO_8859_6 MyENCODING_ISO_8859_7 MyENCODING_ISO_8859_8 MyENCODING_ISO_8859_8_I
MyENCODING_KOI8_R MyENCODING_KOI8_U MyENCODING_MACINTOSH MyENCODING_SHIFT_JIS MyENCODING_WINDOWS_1250 MyENCODING_WINDOWS_1251
MyENCODING_WINDOWS_1252 MyENCODING_WINDOWS_1253 MyENCODING_WINDOWS_1254 MyENCODING_WINDOWS_1255 MyENCODING_WINDOWS_1256
MyENCODING_WINDOWS_1257 MyENCODING_WINDOWS_1258 MyENCODING_WINDOWS_874 MyENCODING_X_MAC_CYRILLIC MyENCODING_LAST_ENTRY
MyHTML_TAG__UNDEF MyHTML_TAG__TEXT MyHTML_TAG__COMMENT MyHTML_TAG__DOCTYPE MyHTML_TAG_A MyHTML_TAG_ABBR MyHTML_TAG_ACRONYM
MyHTML_TAG_ADDRESS MyHTML_TAG_ANNOTATION_XML MyHTML_TAG_APPLET MyHTML_TAG_AREA MyHTML_TAG_ARTICLE MyHTML_TAG_ASIDE
MyHTML_TAG_AUDIO MyHTML_TAG_B MyHTML_TAG_BASE MyHTML_TAG_BASEFONT MyHTML_TAG_BDI MyHTML_TAG_BDO MyHTML_TAG_BGSOUND
MyHTML_TAG_BIG MyHTML_TAG_BLINK MyHTML_TAG_BLOCKQUOTE MyHTML_TAG_BODY MyHTML_TAG_BR MyHTML_TAG_BUTTON MyHTML_TAG_CANVAS
MyHTML_TAG_CAPTION MyHTML_TAG_CENTER MyHTML_TAG_CITE MyHTML_TAG_CODE MyHTML_TAG_COL MyHTML_TAG_COLGROUP MyHTML_TAG_COMMAND
MyHTML_TAG_COMMENT MyHTML_TAG_DATALIST MyHTML_TAG_DD MyHTML_TAG_DEL MyHTML_TAG_DETAILS MyHTML_TAG_DFN MyHTML_TAG_DIALOG
MyHTML_TAG_DIR MyHTML_TAG_DIV MyHTML_TAG_DL MyHTML_TAG_DT MyHTML_TAG_EM MyHTML_TAG_EMBED MyHTML_TAG_FIELDSET MyHTML_TAG_FIGCAPTION
MyHTML_TAG_FIGURE MyHTML_TAG_FONT MyHTML_TAG_FOOTER MyHTML_TAG_FORM MyHTML_TAG_FRAME MyHTML_TAG_FRAMESET MyHTML_TAG_H1
MyHTML_TAG_H2 MyHTML_TAG_H3 MyHTML_TAG_H4 MyHTML_TAG_H5 MyHTML_TAG_H6 MyHTML_TAG_HEAD MyHTML_TAG_HEADER MyHTML_TAG_HGROUP
MyHTML_TAG_HR MyHTML_TAG_HTML MyHTML_TAG_I MyHTML_TAG_IFRAME MyHTML_TAG_IMAGE MyHTML_TAG_IMG MyHTML_TAG_INPUT MyHTML_TAG_INS
MyHTML_TAG_ISINDEX MyHTML_TAG_KBD MyHTML_TAG_KEYGEN MyHTML_TAG_LABEL MyHTML_TAG_LEGEND MyHTML_TAG_LI MyHTML_TAG_LINK
MyHTML_TAG_LISTING MyHTML_TAG_MAIN MyHTML_TAG_MAP MyHTML_TAG_MARK MyHTML_TAG_MARQUEE MyHTML_TAG_MENU MyHTML_TAG_MENUITEM
MyHTML_TAG_META MyHTML_TAG_METER MyHTML_TAG_MTEXT MyHTML_TAG_NAV MyHTML_TAG_NOBR MyHTML_TAG_NOEMBED MyHTML_TAG_NOFRAMES
MyHTML_TAG_NOSCRIPT MyHTML_TAG_OBJECT MyHTML_TAG_OL MyHTML_TAG_OPTGROUP MyHTML_TAG_OPTION MyHTML_TAG_OUTPUT MyHTML_TAG_P
MyHTML_TAG_PARAM MyHTML_TAG_PLAINTEXT MyHTML_TAG_PRE MyHTML_TAG_PROGRESS MyHTML_TAG_Q MyHTML_TAG_RB MyHTML_TAG_RP
MyHTML_TAG_RT MyHTML_TAG_RTC MyHTML_TAG_RUBY MyHTML_TAG_S MyHTML_TAG_SAMP MyHTML_TAG_SCRIPT MyHTML_TAG_SECTION
MyHTML_TAG_SELECT MyHTML_TAG_SMALL MyHTML_TAG_SOURCE MyHTML_TAG_SPAN MyHTML_TAG_STRIKE MyHTML_TAG_STRONG MyHTML_TAG_STYLE
MyHTML_TAG_SUB MyHTML_TAG_SUMMARY MyHTML_TAG_SUP MyHTML_TAG_SVG MyHTML_TAG_TABLE MyHTML_TAG_TBODY MyHTML_TAG_TD
MyHTML_TAG_TEMPLATE MyHTML_TAG_TEXTAREA MyHTML_TAG_TFOOT MyHTML_TAG_TH MyHTML_TAG_THEAD MyHTML_TAG_TIME MyHTML_TAG_TITLE
MyHTML_TAG_TR MyHTML_TAG_TRACK MyHTML_TAG_TT MyHTML_TAG_U MyHTML_TAG_UL MyHTML_TAG_VAR MyHTML_TAG_VIDEO MyHTML_TAG_WBR
MyHTML_TAG_XMP MyHTML_TAG_ALTGLYPH MyHTML_TAG_ALTGLYPHDEF MyHTML_TAG_ALTGLYPHITEM MyHTML_TAG_ANIMATE MyHTML_TAG_ANIMATECOLOR
MyHTML_TAG_ANIMATEMOTION MyHTML_TAG_ANIMATETRANSFORM MyHTML_TAG_CIRCLE MyHTML_TAG_CLIPPATH MyHTML_TAG_COLOR_PROFILE
MyHTML_TAG_CURSOR MyHTML_TAG_DEFS MyHTML_TAG_DESC MyHTML_TAG_ELLIPSE MyHTML_TAG_FEBLEND MyHTML_TAG_FECOLORMATRIX
MyHTML_TAG_FECOMPONENTTRANSFER MyHTML_TAG_FECOMPOSITE MyHTML_TAG_FECONVOLVEMATRIX MyHTML_TAG_FEDIFFUSELIGHTING
MyHTML_TAG_FEDISPLACEMENTMAP MyHTML_TAG_FEDISTANTLIGHT MyHTML_TAG_FEDROPSHADOW MyHTML_TAG_FEFLOOD MyHTML_TAG_FEFUNCA
MyHTML_TAG_FEFUNCB MyHTML_TAG_FEFUNCG MyHTML_TAG_FEFUNCR MyHTML_TAG_FEGAUSSIANBLUR MyHTML_TAG_FEIMAGE MyHTML_TAG_FEMERGE
MyHTML_TAG_FEMERGENODE MyHTML_TAG_FEMORPHOLOGY MyHTML_TAG_FEOFFSET MyHTML_TAG_FEPOINTLIGHT MyHTML_TAG_FESPECULARLIGHTING
MyHTML_TAG_FESPOTLIGHT MyHTML_TAG_FETILE MyHTML_TAG_FETURBULENCE MyHTML_TAG_FILTER MyHTML_TAG_FONT_FACE
MyHTML_TAG_FONT_FACE_FORMAT MyHTML_TAG_FONT_FACE_NAME MyHTML_TAG_FONT_FACE_SRC MyHTML_TAG_FONT_FACE_URI MyHTML_TAG_FOREIGNOBJECT
MyHTML_TAG_G MyHTML_TAG_GLYPH MyHTML_TAG_GLYPHREF MyHTML_TAG_HKERN MyHTML_TAG_LINE MyHTML_TAG_LINEARGRADIENT MyHTML_TAG_MARKER
MyHTML_TAG_MASK MyHTML_TAG_METADATA MyHTML_TAG_MISSING_GLYPH MyHTML_TAG_MPATH MyHTML_TAG_PATH MyHTML_TAG_PATTERN MyHTML_TAG_POLYGON
MyHTML_TAG_POLYLINE MyHTML_TAG_RADIALGRADIENT MyHTML_TAG_RECT MyHTML_TAG_SET MyHTML_TAG_STOP MyHTML_TAG_SWITCH MyHTML_TAG_SYMBOL
MyHTML_TAG_TEXT MyHTML_TAG_TEXTPATH MyHTML_TAG_TREF MyHTML_TAG_TSPAN MyHTML_TAG_USE MyHTML_TAG_VIEW MyHTML_TAG_VKERN MyHTML_TAG_MATH
MyHTML_TAG_MACTION MyHTML_TAG_MALIGNGROUP MyHTML_TAG_MALIGNMARK MyHTML_TAG_MENCLOSE MyHTML_TAG_MERROR MyHTML_TAG_MFENCED
MyHTML_TAG_MFRAC MyHTML_TAG_MGLYPH MyHTML_TAG_MI MyHTML_TAG_MLABELEDTR MyHTML_TAG_MLONGDIV MyHTML_TAG_MMULTISCRIPTS MyHTML_TAG_MN
MyHTML_TAG_MO MyHTML_TAG_MOVER MyHTML_TAG_MPADDED MyHTML_TAG_MPHANTOM MyHTML_TAG_MROOT MyHTML_TAG_MROW MyHTML_TAG_MS
MyHTML_TAG_MSCARRIES MyHTML_TAG_MSCARRY MyHTML_TAG_MSGROUP MyHTML_TAG_MSLINE MyHTML_TAG_MSPACE MyHTML_TAG_MSQRT
MyHTML_TAG_MSROW MyHTML_TAG_MSTACK MyHTML_TAG_MSTYLE MyHTML_TAG_MSUB MyHTML_TAG_MSUP MyHTML_TAG_MSUBSUP
MyHTML_TAG__END_OF_FILE MyHTML_TAG_FIRST_ENTRY MyHTML_TAG_LAST_ENTRY
MyHTML_TREE_PARSE_FLAGS_CLEAN MyHTML_TREE_PARSE_FLAGS_WITHOUT_BUILD_TREE MyHTML_TREE_PARSE_FLAGS_WITHOUT_PROCESS_TOKEN
MyHTML_TREE_PARSE_FLAGS_SKIP_WHITESPACE_TOKEN MyHTML_TREE_PARSE_FLAGS_WITHOUT_DOCTYPE_IN_TREE
MyHTML_NAMESPACE_UNDEF MyHTML_NAMESPACE_HTML MyHTML_NAMESPACE_MATHML MyHTML_NAMESPACE_SVG MyHTML_NAMESPACE_XLINK MyHTML_NAMESPACE_XML
MyHTML_NAMESPACE_XMLNS MyHTML_NAMESPACE_LAST_ENTRY
MyHTML_STATUS_OK MyHTML_STATUS_ERROR MyHTML_STATUS_ERROR_MEMORY_ALLOCATION MyHTML_STATUS_RULES_ERROR_MEMORY_ALLOCATION
MyHTML_STATUS_TOKENIZER_ERROR_MEMORY_ALLOCATION MyHTML_STATUS_TOKENIZER_ERROR_FRAGMENT_INIT MyHTML_STATUS_TAGS_ERROR_MEMORY_ALLOCATION
MyHTML_STATUS_TAGS_ERROR_MCOBJECT_CREATE MyHTML_STATUS_TAGS_ERROR_MCOBJECT_MALLOC MyHTML_STATUS_TAGS_ERROR_MCOBJECT_CREATE_NODE
MyHTML_STATUS_TAGS_ERROR_CACHE_MEMORY_ALLOCATION MyHTML_STATUS_TAGS_ERROR_INDEX_MEMORY_ALLOCATION MyHTML_STATUS_TREE_ERROR_MEMORY_ALLOCATION
MyHTML_STATUS_TREE_ERROR_MCOBJECT_CREATE MyHTML_STATUS_TREE_ERROR_MCOBJECT_INIT MyHTML_STATUS_TREE_ERROR_MCOBJECT_CREATE_NODE
MyHTML_STATUS_TREE_ERROR_INCOMING_BUFFER_CREATE MyHTML_STATUS_ATTR_ERROR_ALLOCATION MyHTML_STATUS_ATTR_ERROR_CREATE
MyHTML_STATUS_STREAM_BUFFER_ERROR_CREATE MyHTML_STATUS_STREAM_BUFFER_ERROR_INIT MyHTML_STATUS_STREAM_BUFFER_ENTRY_ERROR_CREATE
MyHTML_STATUS_STREAM_BUFFER_ENTRY_ERROR_INIT MyHTML_STATUS_STREAM_BUFFER_ERROR_ADD_ENTRY
MyCORE_STATUS_OK MyCORE_STATUS_ERROR MyCORE_STATUS_ERROR_MEMORY_ALLOCATION MyCORE_STATUS_THREAD_ERROR_MEMORY_ALLOCATION
MyCORE_STATUS_THREAD_ERROR_LIST_INIT MyCORE_STATUS_THREAD_ERROR_ATTR_MALLOC MyCORE_STATUS_THREAD_ERROR_ATTR_INIT
MyCORE_STATUS_THREAD_ERROR_ATTR_SET MyCORE_STATUS_THREAD_ERROR_ATTR_DESTROY MyCORE_STATUS_THREAD_ERROR_NO_SLOTS
MyCORE_STATUS_THREAD_ERROR_BATCH_INIT MyCORE_STATUS_THREAD_ERROR_WORKER_MALLOC MyCORE_STATUS_THREAD_ERROR_WORKER_SEM_CREATE
MyCORE_STATUS_THREAD_ERROR_WORKER_THREAD_CREATE MyCORE_STATUS_THREAD_ERROR_MASTER_THREAD_CREATE
MyCORE_STATUS_THREAD_ERROR_SEM_PREFIX_MALLOC MyCORE_STATUS_THREAD_ERROR_SEM_CREATE MyCORE_STATUS_THREAD_ERROR_QUEUE_MALLOC
MyCORE_STATUS_THREAD_ERROR_QUEUE_NODES_MALLOC MyCORE_STATUS_THREAD_ERROR_QUEUE_NODE_MALLOC MyCORE_STATUS_THREAD_ERROR_MUTEX_MALLOC
MyCORE_STATUS_THREAD_ERROR_MUTEX_INIT MyCORE_STATUS_THREAD_ERROR_MUTEX_LOCK MyCORE_STATUS_THREAD_ERROR_MUTEX_UNLOCK
MyCORE_STATUS_PERF_ERROR_COMPILED_WITHOUT_PERF MyCORE_STATUS_PERF_ERROR_FIND_CPU_CLOCK MyCORE_STATUS_MCOBJECT_ERROR_CACHE_CREATE
MyCORE_STATUS_MCOBJECT_ERROR_CHUNK_CREATE MyCORE_STATUS_MCOBJECT_ERROR_CHUNK_INIT MyCORE_STATUS_MCOBJECT_ERROR_CACHE_REALLOC
MyCORE_STATUS_ASYNC_ERROR_LOCK MyCORE_STATUS_ASYNC_ERROR_UNLOCK MyCORE_STATUS_ERROR_NO_FREE_SLOT
MyENCODING_STATUS_OK MyENCODING_STATUS_ERROR MyENCODING_STATUS_CONTINUE MyENCODING_STATUS_DONE
MyHTML_OPTIONS_DEFAULT MyHTML_OPTIONS_PARSE_MODE_SINGLE MyHTML_OPTIONS_PARSE_MODE_ALL_IN_ONE MyHTML_OPTIONS_PARSE_MODE_SEPARATELY
namespace_name_by_id namespace_id_by_name prescan_stream_to_determine_encoding
);
};
bootstrap HTML::MyHTML $VERSION;
use DynaLoader ();
use Exporter ();
1;
__END__
=head1 NAME
HTML::MyHTML is a fast HTML Parser using Threads with no outside dependencies
=head1 DESCRIPTION
This Parser based on L<MyHTML library|https://github.com/lexborisov/myhtml> (it includes version 4.0.4)
=over 4
=item * Asynchronous Parsing, Build Tree and Indexation
=item * Fully conformant with the L<HTML5 specification|https://html.spec.whatwg.org/multipage/>
=item * Manipulation of elements: add, change, delete and other (available in C lib, in Perl coming soon)
=item * Manipulation of elements attributes: add, change, delete and other (available in C lib, in Perl coming soon)
=item * Support 34 character encoding by specification L<encoding.spec.whatwg.org|https://encoding.spec.whatwg.org/>
=item * Support detecting character encodings
=item * Support Single Mode parsing
=item * Support for fragment parsing
=item * Support for parsing by chunks
=item * No outside dependencies
=item * Passes all tree construction tests from L<html5lib-tests|https://github.com/html5lib/html5lib-tests>
See latest version on L<https://github.com/lexborisov/perl-html-myhtml|https://github.com/lexborisov/perl-html-myhtml>
=back
=head1 SYNOPSIS
use utf8;
use strict;
use HTML::MyHTML;
my $body = "<div><span>Best of Fragments</span><a>click to make happy</a></div><div some=value></div>";
# init
my $myhtml = HTML::MyHTML->new(MyHTML_OPTIONS_DEFAULT, 1);
my $tree = $myhtml->new_tree();
# parse
$myhtml->parse($tree, MyENCODING_UTF_8, $body);
# print result
print "Print HTML Tree:\n";
$tree->document->print_children(*STDOUT);
print "\nGet all DIV elements of HTML Tree:\n";
my $list = $tree->get_elements_by_tag_name("div");
# or my $list = $tree->body()->get_nodes_by_tag_id(MyHTML_TAG_DIV);
foreach my $node (@$list) {
my $info = $node->info();
print "Tag id: ", $info->{tag_id}, "\n";
print "Tag name: ", $info->{tag}, "\n";
print "Namespace: ", $info->{namespace}, "\n";
print "Namespace id: ", $info->{namespace_id}, "\n";
my $attr = $info->{attr};
if (keys %$attr) {
print "Attributes: \n";
foreach my $key (keys %$attr) {
print "\t", "$key=\"", $attr->{$key}, "\"\n";
}
}
print "\n";
}
# or you can get span
# tree -> document -> HTML -> BODY -> DIV -> SPAN
my $span = $tree->document->child->last_child->child->child;
my $info_of_span = $span->info();
$tree->destroy();
=head1 Methods
=head2 MyHTML
=head3 new
Create a MyHTML object. Allocating and Initialization resources for a MyHTML object
# $opt[in] work options, how many threads will be. Default: MyHTML_OPTIONS_PARSE_MODE_SEPARATELY
# $thread_count[in] thread count, it depends on the choice of work options. Default: 1
# $out_status[out] status
my $myhtml = HTML::MyHTML->new($opt, $thread_count, $out_status);
Return: HTML::MyHTML if successful, otherwise a UNDEF value
=head3 destroy
Destroy a MyHTML object.
$myhtml->destroy();
=head3 new_tree
Create a MyHTML::TREE object. Allocating and Initialization resources for a MyHTML::TREE object
my $tree = $myhtml->new_tree($out_status);
Return: MyHTML::TREE object if successful, otherwise a UNDEF value
=head3 parse
Parsing HTML
# $tree[in] previously created object MyHTML::TREE
# $encoding[in] Input character encoding; Default: MyENCODING_UTF_8 or MyENCODING_DEFAULT or 0
# $html[in] HTML
my $status = $myhtml->parse($tree, $encoding, $html);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_fragment
Parsing fragment of HTML
# $tree[in] previously created object MyHTML::TREE
# $encoding[in] Input character encoding; Default: MyENCODING_UTF_8 or MyENCODING_DEFAULT or 0
# $html[in] HTML
# $tag_id[in] fragment base (root) tag id. Default: MyHTML_TAG_DIV if set 0
# $my_namespace[in] fragment NAMESPACE. Default: MyHTML_NAMESPACE_HTML if set 0
my $status = $myhtml->parse_fragment($tree, $encoding, $html, $tag_id, $my_namespace);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_single
Parsing HTML in Single Mode. No matter what was said during initialization MyHTML
# $tree[in] previously created object MyHTML::TREE
# $encoding[in] Input character encoding; Default: MyENCODING_UTF_8 or MyENCODING_DEFAULT or 0
# $html[in] HTML
my $status = $myhtml->parse_single($tree, $encoding, $html);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_fragment_single
Parsing fragment of HTML in Single Mode. No matter what was said during initialization MyHTML
# $tree[in] previously created object MyHTML::TREE
# $encoding[in] Input character encoding; Default: MyENCODING_UTF_8 or MyENCODING_DEFAULT or 0
# $html[in] HTML
# $tag_id[in] fragment base (root) tag id. Default: MyHTML_TAG_DIV if set 0
# $my_namespace[in] fragment NAMESPACE. Default: MyHTML_NAMESPACE_HTML if set 0
my $status = $myhtml->parse_fragment_single($tree, $encoding, $html, $tag_id, $my_namespace);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_chunk
Parsing HTML chunk. For end parsing call parse_chunk_end method
my $status = $myhtml->parse_chunk($tree, $html);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_chunk_fragment
Parsing chunk of fragment HTML. For end parsing call parse_chunk_end method
my $status = $myhtml->parse_chunk_fragment($tree, $html, $tag_id, $my_namespace);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_chunk_single
Parsing HTML chunk in Single Mode.
my $status = $myhtml->parse_chunk_single($tree, $html);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_chunk_fragment_single
Parsing chunk of fragment of HTML in Single Mode. No matter what was said during initialization MyHTML
my $status = $myhtml->parse_chunk_fragment_single($tree, $html, $tag_id, $my_namespace);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 parse_chunk_end
End of parsing HTML chunks
my $status = $myhtml->parse_chunk_end($tree);
Return: MyHTML_STATUS_OK if successful, otherwise an error status
=head3 get_tag
Get HTML::MyHTML::Tag from a HTML::MyHTML
my $tag = $myhtml->get_tag();
Return: HTML::MyHTML::Tag if exists, otherwise a UNDEF value
=head2 Tree
=head3 clean
Clears resources before new parsing
$tree->clean();
=head3 destroy
Destroy of a MyHTML_TREE structure
my $tree = $tree->destroy();
Return: UNDEF if successful, otherwise an HTML::MyHTML::Tree structure
=head3 parse_flags_set
Set Parse Flags for Tree
$tree->parse_flags_set($parse_flags);
Example:
$tree->parse_flags_set( MyHTML_TREE_PARSE_FLAGS_WITHOUT_BUILD_TREE|MyHTML_TREE_PARSE_FLAGS_WITHOUT_DOCTYPE_IN_TREE|MyHTML_TREE_PARSE_FLAGS_SKIP_WHITESPACE_TOKEN );
=head3 parse_flags
Get Parse Flags of Tree
my $parse_flags = $tree->parse_flags();
Return: myhtml_tree_parse_flags_t
=head3 get_myhtml
Get HTML::MyHTML from a HTML::MyHTML::Tree object
my $myhtml = $tree->get_myhtml();
Return: HTML::MyHTML if exists, otherwise a UNDEF value
=head3 get_tag
Get HTML::MyHTML::Tag from a HTML::MyHTML::Tree
my $tag = $tree->get_tag();
Return: HTML::MyHTML::Tag if exists, otherwise a UNDEF value
=head3 get_tag_index
Get HTML::MyHTML::Tag from a HTML::MyHTML::Tree
my $tag_index = $tree->get_tag_index();
Return: HTML::MyHTML::Tag::Index if exists, otherwise a UNDEF value
=head3 document
Get Tree Document (Root of Tree)
my $node = $tree->document();
Return: HTML::MyHTML::Tree::Node if successful, otherwise a UNDEF value
=head3 html
Get node HTML (Document -> HTML, Root of HTML Document)
my $node = $tree->html();
Return: HTML::MyHTML::Tree::Node if successful, otherwise a UNDEF value
=head3 head
Get node HEAD (Document -> HTML -> HEAD)
my $node = $tree->head();
Return: HTML::MyHTML::Tree::Node if successful, otherwise a UNDEF value
=head3 body
Get node BODY (Document -> HTML -> BODY)
my $node = $tree->body();
Return: HTML::MyHTML::Tree::Node if successful, otherwise a UNDEF value
=head3 get_mchar
my $mchar_async_t = $tree->get_mchar();
Return: mchar_async_t* if exists, otherwise a UNDEF value
=head3 get_mchar_node_id
my $id = $tree->get_mchar_node_id();
Return: node id
=head3 get_elements_by_tag_id
my $res = $tree->get_elements_by_tag_id($tag_id);
Return: array list of elements HTML::MyHTML::Tree::Node
=head3 get_elements_by_tag_name
my $res = $tree->get_elements_by_tag_name($tag_name);
Return: array list of elements HTML::MyHTML::Tree::Node
=head3 callback_before_token_done_set
Set callback for tokens before processing.
Important!!! Only for Perl! Do not use this callback in Thread mode parsing; Build without threads or use methods parse_single, parse_fragment_single, parse_chunk_single, parse_chunk_fragment_single or create myhtml with MyHTML_OPTIONS_PARSE_MODE_SINGLE option;
$tree->callback_before_token_done_set($sub_callback [, $ctx]);
=head3 callback_after_token_done_set
Set callback for tokens after processing
Important!!! Only for Perl! Do not use this callback in Thread mode parsing; Build without threads or use methods parse_single, parse_fragment_single, parse_chunk_single, parse_chunk_fragment_single or create myhtml with MyHTML_OPTIONS_PARSE_MODE_SINGLE option;
$tree->callback_after_token_done_set($sub_callback [, $ctx]);
=head3 callback_node_insert_set
Set callback for tree node after inserted
Important!!! Only for Perl! Do not use this callback in Thread mode parsing; Build without threads or use methods parse_single, parse_fragment_single, parse_chunk_single, parse_chunk_fragment_single or create myhtml with MyHTML_OPTIONS_PARSE_MODE_SINGLE option;
$tree->callback_node_insert_set($sub_callback [, $ctx]);
=head3 callback_node_remove_set
Set callback for tree node after removed
Important!!! Only for Perl! Do not use this callback in Thread mode parsing; Build without threads or use methods parse_single, parse_fragment_single, parse_chunk_single, parse_chunk_fragment_single or create myhtml with MyHTML_OPTIONS_PARSE_MODE_SINGLE option;
$tree->callback_node_remove_set($sub_callback [, $ctx]);
=head3 incoming_buffer_first
Get first Incoming Buffer
my $incoming_buffer = $tree->incoming_buffer_first();
Return: HTML::Incoming::Buffer if exists, otherwise an UNDEF value
=head2 Attributes
=head3 info
Get information of attribute: key, value, namespace
my $res = $attr->info();
Return: hash ref
=head3 name
Get attribute name (key)
my $res = $attr->name();
Return: name (key) if exists, otherwise an UNDEF value
=head3 value
Get attribute value
my $res = $attr->value();
Return: value if exists, otherwise an UNDEF value
=head3 next
Get next sibling attribute of one node
my $attr = $attr->next();
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 prev
Get previous sibling attribute of one node
my $attr = $attr->prev();
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 namespace
Get attribute namespace
my $namespace = $attr->namespace();
Return: namespace id
=head3 remove
Remove attribute reference. Do not release the resources
my $attr = $attr->remove($node);
Return: HTML::MyHTML::Tree::Attr if successful, otherwise a UNDEF value
=head3 delete
Remove attribute and release allocated resources
$attr->delete($node);
=head3 free
Release allocated resources
$attr->free($tree);
=head2 Node
=head3 info
Get information of node: tag name, tag id, namespace, namespace id, attr
my $res = $node->info();
Return: hash ref
=head3 next
Get next sibling node
my $node = $node->next();
Return: HTML::MyHTML::Tree::Node if exists, otherwise an UNDEF value
=head3 prev
Get previous sibling node
my $node = $node->prev();
Return: HTML::MyHTML::Tree::Node if exists, otherwise an UNDEF value
=head3 parent
Get parent node
my $node = $node->parent();
Return: HTML::MyHTML::Tree::Node if exists, otherwise an UNDEF value
=head3 child
Get child (first child) of node
my $node = $node->child();
Return: HTML::MyHTML::Tree::Node if exists, otherwise an UNDEF value
=head3 last_child
Get last child of node
my $node = $node->last_child();
Return: HTML::MyHTML::Tree::Node if exists, otherwise an UNDEF value
=head3 token
Get token node
my $token_node = $node->token();
Return: HTML::MyHTML::Token::Node if exists, otherwise an UNDEF value
=head3 token
Get tree from node
my $token_node = $node->tree();
Return: HTML::MyHTML::Tree if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_key
Get nodes by attribute key of current node
my $nodes = $node->get_nodes_by_attribute_key($key [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_value
Get nodes by attribute value; exactly equal; like a [foo="bar"]
# $case_insensitive: 1 or 0
# $key: may bу undef for find in all keys
my $nodes = $node->get_nodes_by_attribute_value($case_insensitive, $key, $value [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_value_whitespace_separated
Get nodes by attribute value; whitespace separated; like a [foo~="bar"]
# $case_insensitive: 1 or 0
# $key: may bу undef for find in all keys
my $nodes = $node->get_nodes_by_attribute_value_whitespace_separated($case_insensitive, $key, $value [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_value_begin
Get nodes by attribute value; value begins exactly with the string; like a [foo^="bar"]
# $case_insensitive: 1 or 0
# $key: may bу undef for find in all keys
my $nodes = $node->get_nodes_by_attribute_value_begin($case_insensitive, $key, $value [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_value_end
Get nodes by attribute value; value ends exactly with the string; like a [foo$="bar"]
# $case_insensitive: 1 or 0
# $key: may bу undef for find in all keys
my $nodes = $node->get_nodes_by_attribute_value_end($case_insensitive, $key, $value [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_value_contain
Get nodes by attribute value; value contains the substring; like a [foo*="bar"]
# $case_insensitive: 1 or 0
# $key: may bу undef for find in all keys
my $nodes = $node->get_nodes_by_attribute_value_contain($case_insensitive, $key, $value [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_attribute_value_hyphen_separated
Get nodes by attribute value; attribute value is a hyphen-separated list of values beginning
# $case_insensitive: 1 or 0
# $key: may bу undef for find in all keys
my $nodes = $node->get_nodes_by_attribute_value_hyphen_separated($case_insensitive, $key, $value [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 get_nodes_by_tag_id
Get nodes by tag id in node scope
my $nodes = $node->get_nodes_by_tag_id($tag_id [, $out_status]);
Return: HTML::MyHTML::Tree::Node ARRAY if exists, otherwise an UNDEF value
=head3 free
Release allocated resources
$node->free($tree);
=head3 remove
Remove node from tree
my $node = $node->remove();
Return: HTML::MyHTML::Tree::Node if successful, otherwise a UNDEF value
=head3 delete
Remove node from tree and release allocated resources
$node->delete();
=head3 delete_recursive
Remove nodes of tree recursively and release allocated resources
$node->delete_recursive();
=head3 tag_id
Get node tag id
my $tag_id = $node->tag_id();
Return: tag_id
=head3 namespace
Get node namespace
my $namespace = $node->namespace();
Return: namespace id
=head3 tag_name
Get tag name of a node
my $res = $node->tag_name();
Return: tag name
=head3 is_close_self
Node has self-closing flag?
my $bool = $node->is_close_self();
Return: 1 (true) or 0 (false)
=head3 attr_first
Get first attribute of a node
my $attr = $node->attr_first();
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 attr_last
Get last attribute of a node
my $attr = $node->attr_last();
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 attr_add
Add attribute to tree node
my $attr = $node->attr_add($key, $value, $encoding);
Return: HTML::MyHTML::Tree::Attr if successful, otherwise an UNDEF value
=head3 attr_remove_by_key
Remove attribute by key reference. Do not release the resources
my $attr = $node->attr_remove_by_key($key);
Return: HTML::MyHTML::Tree::Attr if successful, otherwise an UNDEF value
=head3 attr_by_key
Get attribute by key
my $attr = $node->attr_by_key($key);
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 text
Get text of a node. Only for a MyHTML_TAG__TEXT or MyHTML_TAG__COMMENT tags
my $res = $node->text();
Return: text if exists, otherwise an UNDEF value
=head3 string
Get myhtml_string_t object by Tree node
my $string = $node->string();
Return: HTML::MyHTML::String if exists, otherwise an NULL value
=head3 print
Print a node
$node->print($fh);
=head3 print_children
Print with excluding current node
$node->print_children($fh);
=head3 print_all
Print with including current node
$node->print_all($fh);
=head2 Token Node
=head3 info
Get information of token node: tag name, tag id, attr
my $res = $token_node->info($tree);
Return: hash ref
=head3 tag_id
Get token node tag id
my $tag_id = $token_node->tag_id();
Return: tag_id
=head3 tag_name
Get tag name of a token node
my $res = $token_node->tag_name($tree);
Return: tag name
=head3 is_close_self
Node has self-closing flag?
my $bool = $token_node->is_close_self();
Return: 1 (true) or 0 (false)
=head3 attr_first
Get first attribute of a token node
my $attr = $token_node->attr_first();
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 attr_last
Get last attribute of a token node
my $attr = $token_node->attr_last();
Return: HTML::MyHTML::Tree::Attr if exists, otherwise an UNDEF value
=head3 text
Get text of a token node. Only for a MyHTML_TAG__TEXT or MyHTML_TAG__COMMENT tags
my $res = $token_node->text();
Return: text if exists, otherwise an UNDEF value
=head3 string
Get myhtml_string_t object by token node
my $string = $token_node->string();
Return: HTML::MyHTML::String if exists, otherwise an NULL value
=head3 wait_for_done
Wait for process token all parsing stage. Need if you use thread mode
$token_node->wait_for_done();
=head2 Detect encoding
=head3 prescan_stream_to_determine_encoding
Detect character encoding in html by <meta> tag. See https://html.spec.whatwg.org/multipage/parsing.html#prescan-a-byte-stream-to-determine-its-encoding
# $text[in] text
# $len[in] optional, length for search. If not set len == length($text)
my $encoding = prescan_stream_to_determine_encoding($text, 1024);
Return: encoding if found, otherwise MyENCODING_NOT_DETERMINED
=head3 encoding_detect
Detect character encoding.
Now available for detect UTF-8, UTF-16LE, UTF-16BE and Russians: windows-1251, koi8-r, iso-8859-5, x-mac-cyrillic, ibm866. Other in progress
# $text[in] text
# $out_encoding[out] detected encoding
my $bool = $myhtml->encoding_detect($text, $out_encoding);
Return: 1 (true) if encoding found, otherwise 0 (false)
=head3 encoding_detect_russian
Detect Russian character encoding