cleanup...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2016-07-27 00:10:14 +03:00
parent bb1aea885c
commit 251e3fcb35

333
wiki.js
View File

@ -74,326 +74,12 @@ function Macro(doc, args, func){
}
// XXX should inline macros support named args???
var macro = {
__include_marker__: '__include_marker__',
// Abstract macro syntax:
// Inline macro:
// @macro(arg ..)
//
// HTML-like:
// <macro arg=value ../>
//
// HTML-like with body:
// <macro arg=value ..>
// ..text..
// </macro>
//
// XXX should inline macros support named args???
__macro__pattern__:
///<([a-zA-Z-_:]+)(.|[\n\r])*?(>(.|[\n\r])*?<\/\1>|\/>)|@([a-zA-Z-_]+)\(([^)]*)\)/mg,
[[
// <macro arg=value ../>
// <macro arg=value ..>text</macro>
'<([a-zA-Z-_:]+)(.|[\\n\\r])*?(>(.|[\\n\\r])*?<\\/\\1>|\\/>)',
/*// same as above but HTML-level...
'<([a-zA-Z-_:]+)(.|[\\n\\r])*?(>(.|[\\n\\r])*?<\\/\\1>|\\/>)'
.replace(/</g, '\\&lt;')
.replace(/>/g, '\\&gt;'),
//*/
// @macro(arg ..)
'@([a-zA-Z-_]+)\\(([^)]*)\\)'
].join('|'), 'mg'],
// default filters...
//
// NOTE: these are added AFTER the user defined filters...
__filters__: [
'wikiword',
],
// Macros...
//
macro: {
// select filter to post-process text...
filter: Macro('Filter to post-process text',
['name'],
function(context, args, text, state){
var filter = args[0] || args.name
filter[0] == '-' ?
// disabled -- keep at head of list...
state.filters.unshift(filter)
// normal -- tail...
: state.filters.push(filter)
return ''
}),
// include page/slot...
//
// NOTE: this will render the page in the caller's context.
// NOTE: included pages are rendered completely independently
// from the including page.
//
// XXX do we need to control the rendering of nested pages???
// ...currently I do not think so...
// ...if required this can be done via global and local
// filters... (now filters are only local)
// XXX do we need to render just one slot??? (slot arg)
// e.g. include PageX SlotY
include: Macro('Include page',
['src'],
function(context, args, _, state){
var path = args.src
// get and prepare the included page...
state.include
.push(context.get(path))
// return the marker...
return this.__include_marker__
}),
// NOTE: this is similar to include, the difference is that this
// includes the page source to the current context while
// include works in an isolated context
source: Macro('Include page source (without parsing)',
['src'],
function(context, args, _, state){
var path = args.src
return context.get(path).raw
}),
// fill/define slot (stage 1)...
//
// XXX which should have priority the arg text or the content???
slot: Macro('Define/fill slot',
['name', 'text'],
function(context, args, text, state){
var name = args.name
// XXX
text = text || args.text
text = this.parse(context, text, state, true)
if(state.slots[name] == null){
state.slots[name] = text
// return a slot macro parsable by stage 2...
return '<slot name="'+name+'">'+ text +'</slot>'
} else if(name in state.slots){
state.slots[name] = text
return ''
}
}),
},
// Post macros...
//
post_macro: {
slot: Macro('',
['name'],
function(context, args, text, state){
var name = args.name
if(state.slots[name] == null){
return text
} else if(name in state.slots){
return state.slots[name]
}
}),
},
// Filters...
//
// Signature:
// filter(text) -> html
//
filter: {
default: 'html',
html: function(context, text){ return $('<div>').html(text).html() },
json: 'text',
text: function(context, text){ return $('<div>').text(text).html() },
// XXX
//nl2br: function(context, text){ return $('<div>').html(text.replace(/\n/g, '<br>\n')) },
wikiword: function(context, text){
return setWikiWords(text, true, this.__include_marker__) },
},
// Parsing:
// 1) expand macros
// 2) apply filters
// 3) merge and parse included pages:
// 1) expand macros
// 2) apply filters
// 4) expand post-macros
//
// NOTE: stage 4 parsing is executed on the final merged page only
// once. i.e. it is not performed on the included pages.
// NOTE: included pages are parsed in their own context.
// NOTE: slots are parsed in the context of their containing page
// and not in the location they are being placed.
//
// XXX support quoted text...
parseElem: function(text, stage){
var res = {}
// @<name>(<args>)
if(text[0] == '@'){
var d = text.match(/@([a-zA-Z-_:]*)\(([^)]*)\)/)
res.text = ''
res.name = d[1]
var args = res.args = {}
// XXX support escaped quotes...
//var a = d[2].split(/\s+/g)
var a = d[2]
.split(/((['"]).*?\2)|\s+/g)
// cleanup...
.filter(function(e){ return e && e != '' && !/^['"]$/.test(e)})
// remove quotes...
.map(function(e){ return /^(['"]).*\1$/.test(e) ? e.slice(1, -1) : e })
a.forEach(function(e, i){
args[((stage[res.name] || {}).macro_args || [])[i] || i] = e
})
// XXX not sure about this....
//if(args.text){
// res.text = args.text
//}
// html-like...
} else {
var elem = res.elem = $('<div>').html(text).children().eq(0)
res.name = elem.prop('tagName').toLowerCase()
var args = res.args = {}
var a = elem.prop('attributes')
for(var i=0; i<a.length; i++){
args[a[i].name] = a[i].value
}
res.text = elem.html()
}
return res
},
// XXX need to parse argument value content for macros...
// XXX try and avoid parsing HTML by hand...
// XXX BUG: for some reason in some pages (Dodo/_view) the contets of
// .text spill out of the element...
// ...the problem is in the post macro stage...
parse: function(context, text, state, skip_post, pattern){
var that = this
state = state || {}
state.filters = state.filters || []
state.slots = state.slots || {}
state.include = state.include || []
pattern = pattern || RegExp.apply(null, this.__macro__pattern__)
// XXX need to parse argument value content for macros...
// XXX this does not account for nested tags -- e.g. the pattern
// will "eat" the first matching tag not regarding the nested
// tags (???)
var _parse = function(context, text, macro){
return text.replace(pattern, function(match){
var m = that.parseElem(match, macro)
// found a macro...
return m.name in macro ?
macro[m.name].call(that, context, m.args, m.text, state)
// found a tag -> look inside...
: m.elem && m.text != ''?
m.elem.html(_parse(context, m.text, macro))[0].outerHTML
// else nothing changed...
: match
})
}
// macro...
text = _parse(context, text, this.macro)
// filter...
state.filters
.concat(this.__filters__)
// unique -- leave last occurance..
.filter(function(k, i, lst){
return k[0] != '-'
// filter dupplicates...
&& lst.slice(i+1).indexOf(k) == -1
// filter disabled...
&& lst.slice(0, i).indexOf('-' + k) == -1
})
// unique -- leave first occurance..
//.filter(function(k, i, lst){ return lst.slice(0, i).indexOf(k) == -1 })
// apply the filters...
.forEach(function(f){
var k = f
// get filter aliases...
var seen = []
while(typeof(k) == typeof('str') && seen.indexOf(k) == -1){
seen.push(k)
k = that.filter[k]
}
// could not find the filter...
if(!k){
console.warn('Unknown filter:', f)
return
}
// use the filter...
text = k.call(that, context, text)
})
// merge includes...
// XXX need to check for errors (includes list shorter/longer
// than number of markers)...
text = text.replace(RegExp(this.__include_marker__, 'g'), function(){
var page = state.include.shift()
// NOTE: we are quoting html here, this is done to prevent
// included html from messing up the outer structure with
// things like unclosed tags and stuff...
// XXX can this be anything other than html?
return $('<div/>')
.append($('<span/>')
.addClass('include')
.attr('src', page.path)
.html(page.parse({ slots: state.slots }, true)))
.html()
})
// post macro...
if(!skip_post){
text = _parse(context, text, this.post_macro)
}
window.t = text
return text
},
}
// XXX should inline macros support named args???
var macro2 = {
__include_marker__: '__include_marker__',
// Abstract macro syntax:
// Inline macro:
// @macro(arg ..)
@ -539,6 +225,21 @@ var macro2 = {
},
// Parsing:
// 1) expand macros
// 2) apply filters
// 3) merge and parse included pages:
// 1) expand macros
// 2) apply filters
// 4) expand post-macros
//
// NOTE: stage 4 parsing is executed on the final merged page only
// once. i.e. it is not performed on the included pages.
// NOTE: included pages are parsed in their own context.
// NOTE: slots are parsed in the context of their containing page
// and not in the location they are being placed.
//
// XXX support quoted text...
// XXX this expect a different macro signature:
// macro(context, element, state)
// -> text
@ -909,7 +610,7 @@ var Wiki = {
'\\[[^\\]]+\\]',
].join('|') +')', 'g'),
__macro_parser__: macro2,
__macro_parser__: macro,
// Resolve '.' and '..' relative to current page...