2007-02-21 22:41:31 +03:00
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< a class = "el" href = "namespacepugi.html" > pugi< / a > ::< a class = "el" href = "classpugi_1_1xpath__query.html" > xpath_query< / a > < / div >
< h1 > pugi::xpath_query Class Reference< / h1 > <!-- doxytag: class="pugi::xpath_query" --> Collaboration diagram for pugi::xpath_query:< p > < center > < img src = "classpugi_1_1xpath__query__coll__graph.png" border = "0" usemap = "#pugi_1_1xpath__query__coll__map" alt = "Collaboration graph" > < / center >
< center > < font size = "2" > [< a href = "graph_legend.html" > legend< / a > ]< / font > < / center > < a href = "classpugi_1_1xpath__query-members.html" > List of all members.< / a > < hr > < a name = "_details" > < / a > < h2 > Detailed Description< / h2 >
A class that holds compiled XPath query and allows to evaluate query result.
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< tr > < td colspan = "2" > < br > < h2 > Public Member Functions< / h2 > < / td > < / tr >
< tr > < td class = "memItemLeft" nowrap align = "right" valign = "top" > < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classpugi_1_1xpath__query.html#df3ce6efc17c1b58a1ff60bedb632140" > xpath_query< / a > (const char *query)< / td > < / tr >
< tr > < td class = "mdescLeft" > < / td > < td class = "mdescRight" > Ctor from string with XPath expression. < a href = "#df3ce6efc17c1b58a1ff60bedb632140" > < / a > < br > < / td > < / tr >
< tr > < td class = "memItemLeft" nowrap align = "right" valign = "top" > < a class = "anchor" name = "0ca09e7de62e46feb64d03995f389da3" > < / a > <!-- doxytag: member="pugi::xpath_query::~xpath_query" ref="0ca09e7de62e46feb64d03995f389da3" args="()" -->
< / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classpugi_1_1xpath__query.html#0ca09e7de62e46feb64d03995f389da3" > ~xpath_query< / a > ()< / td > < / tr >
< tr > < td class = "mdescLeft" > < / td > < td class = "mdescRight" > Dtor. < br > < / td > < / tr >
< tr > < td class = "memItemLeft" nowrap align = "right" valign = "top" > bool < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classpugi_1_1xpath__query.html#0b6e208704f8aec7130fdde78f526c9f" > evaluate_boolean< / a > (const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & n)< / td > < / tr >
< tr > < td class = "mdescLeft" > < / td > < td class = "mdescRight" > Evaluate expression as boolean value for the context node < em > n< / em > . < a href = "#0b6e208704f8aec7130fdde78f526c9f" > < / a > < br > < / td > < / tr >
< tr > < td class = "memItemLeft" nowrap align = "right" valign = "top" > double < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classpugi_1_1xpath__query.html#0e04ba6218d5af799aca3c9a5921fde1" > evaluate_number< / a > (const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & n)< / td > < / tr >
< tr > < td class = "mdescLeft" > < / td > < td class = "mdescRight" > Evaluate expression as double value for the context node < em > n< / em > . < a href = "#0e04ba6218d5af799aca3c9a5921fde1" > < / a > < br > < / td > < / tr >
< tr > < td class = "memItemLeft" nowrap align = "right" valign = "top" > std::string < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classpugi_1_1xpath__query.html#0327ba2d1a1dddac08f18d400856dafc" > evaluate_string< / a > (const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & n)< / td > < / tr >
< tr > < td class = "mdescLeft" > < / td > < td class = "mdescRight" > Evaluate expression as string value for the context node < em > n< / em > . < a href = "#0327ba2d1a1dddac08f18d400856dafc" > < / a > < br > < / td > < / tr >
< tr > < td class = "memItemLeft" nowrap align = "right" valign = "top" > < a class = "el" href = "classpugi_1_1xpath__node__set.html" > xpath_node_set< / a > < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classpugi_1_1xpath__query.html#6d3db9ec25068ca3efccb5126de6b28d" > evaluate_node_set< / a > (const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & n)< / td > < / tr >
< tr > < td class = "mdescLeft" > < / td > < td class = "mdescRight" > Evaluate expression as node set for the context node < em > n< / em > . < a href = "#6d3db9ec25068ca3efccb5126de6b28d" > < / a > < br > < / td > < / tr >
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< hr > < h2 > Constructor & Destructor Documentation< / h2 >
< a class = "anchor" name = "df3ce6efc17c1b58a1ff60bedb632140" > < / a > <!-- doxytag: member="pugi::xpath_query::xpath_query" ref="df3ce6efc17c1b58a1ff60bedb632140" args="(const char *query)" --> < p >
< table class = "mdTable" cellpadding = "2" cellspacing = "0" >
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< td class = "mdRow" >
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< td class = "md" nowrap valign = "top" > pugi::xpath_query::xpath_query < / td >
< td class = "md" valign = "top" > ( < / td >
< td class = "md" nowrap valign = "top" > const char * < / td >
< td class = "mdname1" valign = "top" nowrap > < em > query< / em > < / td >
< td class = "md" valign = "top" > ) < / td >
< td class = "md" nowrap > < code > [explicit]< / code > < / td >
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< / td >
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< table cellspacing = "5" cellpadding = "0" border = "0" >
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Ctor from string with XPath expression.
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Throws < a class = "el" href = "classpugi_1_1xpath__exception.html" > xpath_exception< / a > on compilation error, std::bad_alloc on out of memory error.< p >
< dl compact > < dt > < b > Parameters:< / b > < / dt > < dd >
< table border = "0" cellspacing = "2" cellpadding = "0" >
< tr > < td valign = "top" > < / td > < td valign = "top" > < em > query< / em > < / td > < td > - string with XPath expression < / td > < / tr >
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< hr > < h2 > Member Function Documentation< / h2 >
< a class = "anchor" name = "0b6e208704f8aec7130fdde78f526c9f" > < / a > <!-- doxytag: member="pugi::xpath_query::evaluate_boolean" ref="0b6e208704f8aec7130fdde78f526c9f" args="(const xml_node &n)" --> < p >
< table class = "mdTable" cellpadding = "2" cellspacing = "0" >
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< td class = "mdRow" >
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< td class = "md" nowrap valign = "top" > bool pugi::xpath_query::evaluate_boolean < / td >
< td class = "md" valign = "top" > ( < / td >
< td class = "md" nowrap valign = "top" > const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & < / td >
< td class = "mdname1" valign = "top" nowrap > < em > n< / em > < / td >
< td class = "md" valign = "top" > ) < / td >
< td class = "md" nowrap > < / td >
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Evaluate expression as boolean value for the context node < em > n< / em > .
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If expression does not directly evaluate to boolean, the expression result is converted as through boolean() XPath function call. Throws std::bad_alloc on out of memory error.< p >
< dl compact > < dt > < b > Parameters:< / b > < / dt > < dd >
< table border = "0" cellspacing = "2" cellpadding = "0" >
< tr > < td valign = "top" > < / td > < td valign = "top" > < em > n< / em > < / td > < td > - context node < / td > < / tr >
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< dl compact > < dt > < b > Returns:< / b > < / dt > < dd > evaluation result < / dd > < / dl >
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< a class = "anchor" name = "0e04ba6218d5af799aca3c9a5921fde1" > < / a > <!-- doxytag: member="pugi::xpath_query::evaluate_number" ref="0e04ba6218d5af799aca3c9a5921fde1" args="(const xml_node &n)" --> < p >
< table class = "mdTable" cellpadding = "2" cellspacing = "0" >
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< td class = "md" nowrap valign = "top" > double pugi::xpath_query::evaluate_number < / td >
< td class = "md" valign = "top" > ( < / td >
< td class = "md" nowrap valign = "top" > const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & < / td >
< td class = "mdname1" valign = "top" nowrap > < em > n< / em > < / td >
< td class = "md" valign = "top" > ) < / td >
< td class = "md" nowrap > < / td >
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< / td >
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< table cellspacing = "5" cellpadding = "0" border = "0" >
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< / td >
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Evaluate expression as double value for the context node < em > n< / em > .
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If expression does not directly evaluate to double, the expression result is converted as through number() XPath function call. Throws std::bad_alloc on out of memory error.< p >
< dl compact > < dt > < b > Parameters:< / b > < / dt > < dd >
< table border = "0" cellspacing = "2" cellpadding = "0" >
< tr > < td valign = "top" > < / td > < td valign = "top" > < em > n< / em > < / td > < td > - context node < / td > < / tr >
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< dl compact > < dt > < b > Returns:< / b > < / dt > < dd > evaluation result < / dd > < / dl >
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< a class = "anchor" name = "0327ba2d1a1dddac08f18d400856dafc" > < / a > <!-- doxytag: member="pugi::xpath_query::evaluate_string" ref="0327ba2d1a1dddac08f18d400856dafc" args="(const xml_node &n)" --> < p >
< table class = "mdTable" cellpadding = "2" cellspacing = "0" >
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< td class = "mdRow" >
< table cellpadding = "0" cellspacing = "0" border = "0" >
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< td class = "md" nowrap valign = "top" > std::string pugi::xpath_query::evaluate_string < / td >
< td class = "md" valign = "top" > ( < / td >
< td class = "md" nowrap valign = "top" > const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & < / td >
< td class = "mdname1" valign = "top" nowrap > < em > n< / em > < / td >
< td class = "md" valign = "top" > ) < / td >
< td class = "md" nowrap > < / td >
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< table cellspacing = "5" cellpadding = "0" border = "0" >
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< / td >
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Evaluate expression as string value for the context node < em > n< / em > .
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If expression does not directly evaluate to string, the expression result is converted as through string() XPath function call. Throws std::bad_alloc on out of memory error.< p >
< dl compact > < dt > < b > Parameters:< / b > < / dt > < dd >
< table border = "0" cellspacing = "2" cellpadding = "0" >
< tr > < td valign = "top" > < / td > < td valign = "top" > < em > n< / em > < / td > < td > - context node < / td > < / tr >
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< dl compact > < dt > < b > Returns:< / b > < / dt > < dd > evaluation result < / dd > < / dl >
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< a class = "anchor" name = "6d3db9ec25068ca3efccb5126de6b28d" > < / a > <!-- doxytag: member="pugi::xpath_query::evaluate_node_set" ref="6d3db9ec25068ca3efccb5126de6b28d" args="(const xml_node &n)" --> < p >
< table class = "mdTable" cellpadding = "2" cellspacing = "0" >
< tr >
< td class = "mdRow" >
< table cellpadding = "0" cellspacing = "0" border = "0" >
< tr >
< td class = "md" nowrap valign = "top" > < a class = "el" href = "classpugi_1_1xpath__node__set.html" > xpath_node_set< / a > pugi::xpath_query::evaluate_node_set < / td >
< td class = "md" valign = "top" > ( < / td >
< td class = "md" nowrap valign = "top" > const < a class = "el" href = "classpugi_1_1xml__node.html" > xml_node< / a > & < / td >
< td class = "mdname1" valign = "top" nowrap > < em > n< / em > < / td >
< td class = "md" valign = "top" > ) < / td >
< td class = "md" nowrap > < / td >
< / tr >
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< table cellspacing = "5" cellpadding = "0" border = "0" >
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Evaluate expression as node set for the context node < em > n< / em > .
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If expression does not directly evaluate to node set, function returns empty node set. Throws std::bad_alloc on out of memory error.< p >
< dl compact > < dt > < b > Parameters:< / b > < / dt > < dd >
< table border = "0" cellspacing = "2" cellpadding = "0" >
< tr > < td valign = "top" > < / td > < td valign = "top" > < em > n< / em > < / td > < td > - context node < / td > < / tr >
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< / dl >
< dl compact > < dt > < b > Returns:< / b > < / dt > < dd > evaluation result < / dd > < / dl >
< / td >
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< / table >
2009-09-17 22:20:49 +04:00
< hr size = "1" > < address style = "align: right;" > < small > Generated on Thu Sep 17 22:15:55 2009 for pugixml by
2007-02-21 22:41:31 +03:00
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