Class: Nanoc::Int::Executor
- Inherits:
-
Object
- Object
- Nanoc::Int::Executor
show all
- Defined in:
- lib/nanoc/base/services/executor.rb
Defined Under Namespace
Classes: OutputNotWrittenError
Instance Method Summary
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Constructor Details
#initialize(rep, compilation_context, dependency_tracker) ⇒ Executor
Returns a new instance of Executor
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# File 'lib/nanoc/base/services/executor.rb', line 10
def initialize(rep, compilation_context, dependency_tracker)
@rep = rep
@compilation_context = compilation_context
@dependency_tracker = dependency_tracker
end
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Instance Method Details
#assigns_for(rep) ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 82
def assigns_for(rep)
@compilation_context.assigns_for(rep, @dependency_tracker)
end
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#filter(filter_name, filter_args = {}) ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 16
def filter(filter_name, filter_args = {})
filter = filter_for_filtering(@rep, filter_name)
begin
Nanoc::Int::NotificationCenter.post(:filtering_started, @rep, filter_name)
last = @rep.snapshot_contents[:last]
source = @rep.binary? ? last.filename : last.string
filter_args.freeze
result = filter.setup_and_run(source, filter_args)
@rep.snapshot_contents[:last] =
if filter.class.to_binary?
Nanoc::Int::BinaryContent.new(filter.output_filename).tap(&:freeze)
else
Nanoc::Int::TextualContent.new(result).tap(&:freeze)
end
if filter.class.to_binary? && !File.file?(filter.output_filename)
raise OutputNotWrittenError.new(filter_name, filter.output_filename)
end
ensure
Nanoc::Int::NotificationCenter.post(:filtering_ended, @rep, filter_name)
end
end
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#filter_for_filtering(rep, filter_name) ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 104
def filter_for_filtering(rep, filter_name)
klass = Nanoc::Filter.named(filter_name)
raise Nanoc::Int::Errors::UnknownFilter.new(filter_name) if klass.nil?
if klass.from_binary? && !rep.binary?
raise Nanoc::Int::Errors::CannotUseBinaryFilter.new(rep, klass)
elsif !klass.from_binary? && rep.binary?
raise Nanoc::Int::Errors::CannotUseTextualFilter.new(rep, klass)
end
klass.new(assigns_for(rep))
end
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#find_layout(arg) ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 90
def find_layout(arg)
req_id = arg.__nanoc_cleaned_identifier
layout = layouts.find { |l| l.identifier == req_id }
return layout if layout
if use_globs?
pat = Nanoc::Int::Pattern.from(arg)
layout = layouts.find { |l| pat.match?(l.identifier) }
return layout if layout
end
raise Nanoc::Int::Errors::UnknownLayout.new(arg)
end
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#layout(layout_identifier, extra_filter_args = nil) ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 43
def layout(layout_identifier, = nil)
layout = find_layout(layout_identifier)
filter_name, filter_args = *@compilation_context.filter_name_and_args_for_layout(layout)
if filter_name.nil?
raise Nanoc::Int::Errors::Generic, "Cannot find rule for layout matching #{layout_identifier}"
end
filter_args = filter_args.merge( || {})
filter_args.freeze
raise Nanoc::Int::Errors::CannotLayoutBinaryItem.new(@rep) if @rep.binary?
klass = Nanoc::Filter.named(filter_name)
raise Nanoc::Int::Errors::UnknownFilter.new(filter_name) if klass.nil?
view_context = @compilation_context.create_view_context(@dependency_tracker)
layout_view = Nanoc::LayoutView.new(layout, view_context)
filter = klass.new(assigns_for(@rep).merge(layout: layout_view))
@dependency_tracker.bounce(layout, raw_content: true)
begin
Nanoc::Int::NotificationCenter.post(:filtering_started, @rep, filter_name)
content = layout.content
arg = content.binary? ? content.filename : content.string
res = filter.setup_and_run(arg, filter_args)
@rep.snapshot_contents[:last] = Nanoc::Int::TextualContent.new(res).tap(&:freeze)
ensure
Nanoc::Int::NotificationCenter.post(:filtering_ended, @rep, filter_name)
end
end
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#layouts ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 86
def layouts
@compilation_context.site.layouts
end
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#snapshot(snapshot_name) ⇒ Object
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# File 'lib/nanoc/base/services/executor.rb', line 78
def snapshot(snapshot_name)
@rep.snapshot_contents[snapshot_name] = @rep.snapshot_contents[:last]
end
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#use_globs? ⇒ Boolean
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# File 'lib/nanoc/base/services/executor.rb', line 117
def use_globs?
@compilation_context.site.config[:string_pattern_type] == 'glob'
end
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