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author | Hans Hagen <pragma@wxs.nl> | 2011-01-24 23:51:00 +0100 |
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committer | Hans Hagen <pragma@wxs.nl> | 2011-01-24 23:51:00 +0100 |
commit | 2fb045c7c88895c00bbbdc935e0651f4e1879536 (patch) | |
tree | 35ebd4366aeae122a750ac7d4021e965d7042aa0 /tex/context/base/buff-imp-parsed-xml.lua | |
parent | 1b64f6bc515ace3fb763a3c3b8110007e44119af (diff) | |
download | context-2fb045c7c88895c00bbbdc935e0651f4e1879536.tar.gz |
beta 2011.01.24 23:51
Diffstat (limited to 'tex/context/base/buff-imp-parsed-xml.lua')
-rw-r--r-- | tex/context/base/buff-imp-parsed-xml.lua | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tex/context/base/buff-imp-parsed-xml.lua b/tex/context/base/buff-imp-parsed-xml.lua new file mode 100644 index 000000000..530060b57 --- /dev/null +++ b/tex/context/base/buff-imp-parsed-xml.lua @@ -0,0 +1,101 @@ +if not modules then modules = { } end modules ['v-parsed-xml'] = { + version = 1.001, + comment = "companion to v-parsed-xml.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local format = string.format + +local context = context +local verbatim = context.verbatim + +local write = visualizers.write +local writespace = visualizers.writespace +local writeargument = visualizers.writeargument + +local ParsedXmlSnippetKey = context.ParsedXmlSnippetKey +local ParsedXmlSnippetValue = context.ParsedXmlSnippetValue + +local ParsedXmlSnippetElement = verbatim.ParsedXmlSnippetElement +local ParsedXmlSnippetInstruction = verbatim.ParsedXmlSnippetInstruction +local ParsedXmlSnippetComment = verbatim.ParsedXmlSnippetComment +local ParsedXmlSnippetCdata = verbatim.ParsedXmlSnippetCdata +local ParsedXmlSnippetDoctype = verbatim.ParsedXmlSnippetDoctype + +local startParsedXmlSnippet = context.startParsedXmlSnippet +local stopParsedXmlSnippet = context.stopParsedXmlSnippet + +local parsedxmlhandler = xml.newhandlers { -- todo: treat spaces and tabs + name = "parsedxml", + handle = function(...) + print("error:",...) -- we need a handler as fallback, even if not used + end, + functions = { + ["@el@"] = function(e,handler) + local at = e.at + if at and next(at) then + ParsedXmlSnippetElement(format("<%s",e.tg)) + for k, v in next, at do + writespace() + ParsedXmlSnippetKey() + writeargument(k) + verbatim("=") + ParsedXmlSnippetValue() + writeargument(format("%q",k)) + end + ParsedXmlSnippetElement(">") + else + ParsedXmlSnippetElement(format("<%s>",e.tg)) + end + handler.serialize(e.dt,handler) + ParsedXmlSnippetElement(format("</%s>",e.tg)) + end, + ["@pi@"] = function(e,handler) + ParsedXmlSnippetInstruction("<?") + write(e.dt[1]) + ParsedXmlSnippetInstruction("?>") + end , + ["@cm@"] = function(e,handler) + ParsedXmlSnippetComment("<!--") + write(e.dt[1]) + ParsedXmlSnippetComment("-->") + end, + ["@cd@"] = function(e,handler) + ParsedXmlSnippetCdata("<![CDATA[") + write(e.dt[1]) + ParsedXmlSnippetCdata("]]>") + end, + ["@dt@"] = function(e,handler) + ParsedXmlSnippetDoctype("<!DOCTYPE") + write(e.dt[1]) + ParsedXmlSnippetDoctype(">") + end, + ["@tx@"] = function(s,handler) + write(s) + end, + } +} + +local function parsedxml(root,pattern) + if root then + if pattern then + root = xml.filter(root,pattern) + end + if root then + context.startParsedXmlSnippet() + xml.serialize(root,parsedxmlhandler) + context.stopParsedXmlSnippet() + end + end +end + +local function parser(str,settings) + parsedxml(xml.convert(str),settings and settings.pattern) +end + +visualizers.parsedxml = parsedxml -- for use at the lua end (maybe namespace needed) + +visualizers.register("parsed-xml", { parser = parser } ) + |