prosody
e77735354fad
fallbacks/lxp.lua

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fallbacks/lxp.lua @ 12090:e77735354fad 0.11

Tag 0.11.11
author Kim Alvefur <zash@zash.se>
date Mon, 20 Dec 2021 16:24:52 +0100
parent 5776:bd0ff8ae98a8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3804
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
1
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
2 local coroutine = coroutine;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
3 local tonumber = tonumber;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
4 local string = string;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
5 local setmetatable, getmetatable = setmetatable, getmetatable;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
6 local pairs = pairs;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
7
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
8 local deadroutine = coroutine.create(function() end);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
9 coroutine.resume(deadroutine);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
10
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
11 module("lxp")
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
12
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
13 local entity_map = setmetatable({
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
14 ["amp"] = "&";
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
15 ["gt"] = ">";
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
16 ["lt"] = "<";
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
17 ["apos"] = "'";
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
18 ["quot"] = "\"";
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
19 }, {__index = function(_, s)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
20 if s:sub(1,1) == "#" then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
21 if s:sub(2,2) == "x" then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
22 return string.char(tonumber(s:sub(3), 16));
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
23 else
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
24 return string.char(tonumber(s:sub(2)));
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
25 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
26 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
27 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
28 });
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
29 local function xml_unescape(str)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
30 return (str:gsub("&(.-);", entity_map));
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
31 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
32 local function parse_tag(s)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
33 local name,sattr=(s):gmatch("([^%s]+)(.*)")();
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
34 local attr = {};
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
35 for a,b in (sattr):gmatch("([^=%s]+)=['\"]([^'\"]*)['\"]") do attr[a] = xml_unescape(b); end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
36 return name, attr;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
37 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
38
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
39 local function parser(data, handlers, ns_separator)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
40 local function read_until(str)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
41 local pos = data:find(str, nil, true);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
42 while not pos do
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
43 data = data..coroutine.yield();
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
44 pos = data:find(str, nil, true);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
45 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
46 local r = data:sub(1, pos);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
47 data = data:sub(pos+1);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
48 return r;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
49 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
50 local function read_before(str)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
51 local pos = data:find(str, nil, true);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
52 while not pos do
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
53 data = data..coroutine.yield();
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
54 pos = data:find(str, nil, true);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
55 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
56 local r = data:sub(1, pos-1);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
57 data = data:sub(pos);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
58 return r;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
59 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
60 local function peek()
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
61 while #data == 0 do data = coroutine.yield(); end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
62 return data:sub(1,1);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
63 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 3899
diff changeset
64
3804
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
65 local ns = { xml = "http://www.w3.org/XML/1998/namespace" };
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
66 ns.__index = ns;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
67 local function apply_ns(name, dodefault)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
68 local prefix,n = name:match("^([^:]*):(.*)$");
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
69 if prefix and ns[prefix] then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
70 return ns[prefix]..ns_separator..n;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
71 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
72 if dodefault and ns[""] then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
73 return ns[""]..ns_separator..name;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
74 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
75 return name;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
76 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
77 local function push(tag, attr)
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
78 ns = setmetatable({}, ns);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
79 for k,v in pairs(attr) do
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
80 local xmlns = k == "xmlns" and "" or k:match("^xmlns:(.*)$");
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
81 if xmlns then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
82 ns[xmlns] = v;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
83 attr[k] = nil;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
84 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
85 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
86 local newattr, n = {}, 0;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
87 for k,v in pairs(attr) do
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
88 n = n+1;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
89 k = apply_ns(k);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
90 newattr[n] = k;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
91 newattr[k] = v;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
92 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
93 tag = apply_ns(tag, true);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
94 ns[0] = tag;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
95 ns.__index = ns;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
96 return tag, newattr;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
97 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
98 local function pop()
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
99 local tag = ns[0];
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
100 ns = getmetatable(ns);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
101 return tag;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
102 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 3899
diff changeset
103
3804
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
104 while true do
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
105 if peek() == "<" then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
106 local elem = read_until(">"):sub(2,-2);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
107 if elem:sub(1,1) == "!" or elem:sub(1,1) == "?" then -- neglect comments and processing-instructions
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
108 elseif elem:sub(1,1) == "/" then -- end tag
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
109 elem = elem:sub(2);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
110 local name = pop();
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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111 handlers:EndElement(name); -- TODO check for start-end tag name match
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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112 elseif elem:sub(-1,-1) == "/" then -- empty tag
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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113 elem = elem:sub(1,-2);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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114 local name,attr = parse_tag(elem);
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115 name,attr = push(name,attr);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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116 handlers:StartElement(name,attr);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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117 name = pop();
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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118 handlers:EndElement(name);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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119 else -- start tag
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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120 local name,attr = parse_tag(elem);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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121 name,attr = push(name,attr);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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122 handlers:StartElement(name,attr);
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123 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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124 else
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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125 local text = read_before("<");
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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126 handlers:CharacterData(xml_unescape(text));
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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127 end
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128 end
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129 end
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130
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131 function new(handlers, ns_separator)
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132 local co = coroutine.create(parser);
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133 return {
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134 parse = function(self, data)
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135 if not data then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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136 co = deadroutine;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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137 return true; -- eof
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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138 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
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139 local success, result = coroutine.resume(co, data, handlers, ns_separator);
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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140 if result then
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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141 co = deadroutine;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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142 return nil, result; -- error
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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143 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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144 return true; -- success
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
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145 end;
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
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146 };
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
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147 end
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
Waqas Hussain <waqas20@gmail.com>
parents:
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148
da75eb23dbba fallbacks/lxp.lua: Pure Lua pseudo-XML parser. Implements the same API as LuaExpat.
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149 return _M;