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author | madmaxoft <github@xoft.cz> | 2013-11-15 22:39:27 +0100 |
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committer | madmaxoft <github@xoft.cz> | 2013-11-15 22:39:27 +0100 |
commit | d96f6224371a0c6aaf561f16d31381e5b11e5a55 (patch) | |
tree | 08271a6ec25a8825d264dde67e1aad4aab057c73 /MCServer/Plugins/APIDump/APIDesc.lua | |
parent | APIDump: Functions that are documented are never ignored. (diff) | |
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Diffstat (limited to 'MCServer/Plugins/APIDump/APIDesc.lua')
-rw-r--r-- | MCServer/Plugins/APIDump/APIDesc.lua | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua index 741b912a6..cccc05ce2 100644 --- a/MCServer/Plugins/APIDump/APIDesc.lua +++ b/MCServer/Plugins/APIDump/APIDesc.lua @@ -2478,6 +2478,112 @@ end }, }, -- ItemCategory + lxp = + { + Desc = [[ + This class provides an interface to the XML parser, + {{http://matthewwild.co.uk/projects/luaexpat/|LuaExpat}}. It provides a SAX interface with an + incremental XML parser.</p> + <p> + With an event-based API like SAX the XML document can be fed to the parser in chunks, and the + parsing begins as soon as the parser receives the first document chunk. LuaExpat reports parsing + events (such as the start and end of elements) directly to the application through callbacks. The + parsing of huge documents can benefit from this piecemeal operation.</p> + <p> + See the online + {{http://matthewwild.co.uk/projects/luaexpat/manual.html#parser|LuaExpat documentation}} for details + on how to work with this parser. The code examples below should provide some basic help, too. + ]], + Functions = + { + new = {Params = "CallbacksTable, [SeparatorChar]", Return = "XMLParser object", Notes = "Creates a new XML parser object, with the specified callbacks table and optional separator character."}, + }, + Constants = + { + _COPYRIGHT = { Notes = "" }, + _DESCRIPTION = { Notes = "" }, + _VERSION = { Notes = "" }, + }, + AdditionalInfo = + { + { + Header = "Parser callbacks", + Contents = [[ + The callbacks table passed to the new() function specifies the Lua functions that the parser + calls upon various events. The following table lists the most common functions used, for a + complete list see the online + {{http://matthewwild.co.uk/projects/luaexpat/manual.html#parser|LuaExpat documentation}}.</p> + <table> + <tr><th>Function name</th><th>Parameters</th><th>Notes</th></tr> + <tr><td>CharacterData</td><td>Parser, string</td><td>Called when the parser recognizes a raw string inside the element</td></tr> + <tr><td>EndElement</td><td>Parser, ElementName</td><td>Called when the parser detects the ending of an XML element</td></tr> + <tr><td>StartElement</td><td>Parser, ElementName, AttributesTable</td><td>Called when the parser detects the start of an XML element. The AttributesTable is a Lua table containing all the element's attributes, both in the array section (in the order received) and in the dictionary section.</td></tr> + </table> + ]], + }, + { + Header = "XMLParser object", + Contents = [[ + The XMLParser object returned by lxp.new provides the functions needed to parse the XML. The + following list provides the most commonly used ones, for a complete list see the online + {{http://matthewwild.co.uk/projects/luaexpat/manual.html#parser|LuaExpat documentation}}. + <ul> + <li>close() - closes the parser, freeing all memory used by it.</li> + <li>getCallbacks() - returns the callbacks table for this parser.</li> + <li>parse(string) - parses more document data. the string contains the next part (or possibly all) of the document. Returns non-nil for success or nil, msg, line, col, pos for error.</li> + <li>stop() - aborts parsing (can be called from within the parser callbacks).</li> + </ul> + ]], + }, + { + Header = "Code example", + Contents = [[ + The following code reads an entire XML file and outputs its logical structure into the console: +<pre class="prettyprint lang-lua"> +local Depth = 0; + +-- Define the callbacks: +local Callbacks = { + CharacterData = function(a_Parser, a_String) + LOG(string.rep(" ", Depth) .. "* " .. a_String); + end + + EndElement = function(a_Parser, a_ElementName) + Depth = Depth - 1; + LOG(string.rep(" ", Depth) .. "- " .. a_ElementName); + end + + StartElement = function(a_Parser, a_ElementName, a_Attribs) + LOG(string.rep(" ", Depth) .. "+ " .. a_ElementName); + Depth = Depth + 1; + end +} + +-- Create the parser: +local Parser = lxp.new(Callbacks); + +-- Parse the XML file: +local f = io.open("file.xml", "rb"); +while (true) do + local block = f:read(128 * 1024); -- Use a 128KiB buffer for reading + if (block == nil) then + -- End of file + break; + end + Parser:parse(block); +end + +-- Signalize to the parser that no more data is coming +Parser:parse(); + +-- Close the parser: +Parser:close(); +</pre> + ]], + }, + }, -- AdditionalInfo + }, -- lxp + TakeDamageInfo = { Desc = [[ |