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@quote(..) now a generator macro...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2022-08-18 20:34:13 +03:00
parent a3fa8985ec
commit 0fcfe08ce2
1 changed files with 62 additions and 40 deletions
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102
pwiki/page.js
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@ -689,7 +689,7 @@ object.Constructor('Page', BasePage, {
var first = true
for await (var page of this.get(src).each()){
if(!first){
if(join && !first){
yield join }
first = false
@ -759,13 +759,10 @@ object.Constructor('Page', BasePage, {
// not expanded...
// NOTE: the filter argument uses the same filters as @filter(..)
//
// XXX GENERATOR make this a generator...
// XXX need to handle pattern paths (like include: join=...)
// XXX need a way to escape macros -- i.e. include </quote> in a quoted text...
quote: Macro(
//['src', 'filter', 'text', 'join'],
['src', 'filter', 'text'],
async function(args, body, state){
['src', 'filter', 'text', 'join'],
async function*(args, body, state){
var src = args.src //|| args[0]
var base = this.get(this.path.split(/\*/).shift())
var text = args.text
@ -775,43 +772,59 @@ object.Constructor('Page', BasePage, {
src = src ?
await base.parse(src, state)
: src
text = src ?
// source page...
await this.get(src).raw
: text instanceof Array ?
text.join('')
: text
var pages = src ?
this.get(src).each()
: text instanceof Array ?
[text.join('')]
: typeof(text) == 'string' ?
[text]
: text
// empty...
if(!text){
if(!pages){
return }
var filters =
args.filter
&& args.filter
.trim()
.split(/\s+/g)
var join = args.join
&& await base.parse(args.join, state)
var first = true
for await (var page of pages){
if(join && !first){
yield join }
first = false
// NOTE: we are delaying .quote_filters handling here to
// make their semantics the same as general filters...
// ...and since we are internally calling .filter(..)
// macro we need to dance around it's architecture too...
// NOTE: since the body of quote(..) only has filters applied
// to it doing the first stage of .filter(..) as late
// as the second stage here will have no ill effect...
// NOTE: this uses the same filters as @filter(..)
return async function(state){
// add global quote-filters...
filters =
(state.quote_filters
&& !(filters ?? []).includes(this.ISOLATED_FILTERS)) ?
[...state.quote_filters, ...(filters ?? [])]
: filters
return filters ?
await this.__parser__.callMacro(
this, 'filter', filters, text, state, false)
.call(this, state)
: text } }),
text = typeof(page) == 'string' ?
page
: await page.raw
var filters =
args.filter
&& args.filter
.trim()
.split(/\s+/g)
// NOTE: we are delaying .quote_filters handling here to
// make their semantics the same as general filters...
// ...and since we are internally calling .filter(..)
// macro we need to dance around it's architecture too...
// NOTE: since the body of quote(..) only has filters applied
// to it doing the first stage of .filter(..) as late
// as the second stage here will have no ill effect...
// NOTE: this uses the same filters as @filter(..)
// NOTE: the function wrapper here isolates text in
// a closure per function...
yield (function(text){
return async function(state){
// add global quote-filters...
filters =
(state.quote_filters
&& !(filters ?? []).includes(this.ISOLATED_FILTERS)) ?
[...state.quote_filters, ...(filters ?? [])]
: filters
return filters ?
await this.__parser__.callMacro(
this, 'filter', filters, text, state, false)
.call(this, state)
: text } })(text) } }),
// very similar to @filter(..) but will affect @quote(..) filters...
'quote-filter': function(args, body, state){
var filters = state.quote_filters =
@ -1460,7 +1473,6 @@ module.System = {
test_list: function(){
return 'abcdef'.split('') },
test_slots: {
/* XXX
text: object.doc`
Sequential:
<slot name="sequential">unfilled</slot>
@ -1483,7 +1495,17 @@ module.System = {
<slot name="slot-content"><content/> B</slot>
<slot name="slot-conten"><content/> C</slot>
<br><br>
//*/
Nested content: A B C:
<slot name="nested-slot-content">
A
<slot name="nested-slot-content">
<content/> B
<slot name="nested-slot-content">
<content/> C
</slot>
</slot>
</slot> ` },
test_nested_slots: {
text: object.doc`
Nested content: A B C:
<slot name="nested-slot-content">