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Diffstat (limited to 'tex/context/base/typo-rep.lua')
-rw-r--r--tex/context/base/typo-rep.lua256
1 files changed, 128 insertions, 128 deletions
diff --git a/tex/context/base/typo-rep.lua b/tex/context/base/typo-rep.lua
index 8451ce52b..e7e11bbf0 100644
--- a/tex/context/base/typo-rep.lua
+++ b/tex/context/base/typo-rep.lua
@@ -1,128 +1,128 @@
-if not modules then modules = { } end modules ['typo-rep'] = {
- version = 1.001,
- comment = "companion to node-ini.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
--- This was rather boring to program (more of the same) but I could
--- endure it by listening to a couple cd's by The Scene and The Lau
--- on the squeezebox on my desk.
-
-local trace_stripping = false trackers.register("nodes.stripping", function(v) trace_stripping = v end)
- trackers.register("fonts.stripping", function(v) trace_stripping = v end)
-
-local report_stripping = logs.reporter("fonts","stripping")
-
-local nodes, node = nodes, node
-
-local delete_node = nodes.delete
-local replace_node = nodes.replace
-local copy_node = node.copy
-
-local chardata = characters.data
-local collected = false
-local a_stripping = attributes.private("stripping")
-local fontdata = fonts.hashes.identifiers
-local tasks = nodes.tasks
-
-local texattribute = tex.attribute
-local unsetvalue = attributes.unsetvalue
-
-local v_reset = interfaces.variables.reset
-
-local nodecodes = nodes.nodecodes
-local glyph_code = nodecodes.glyph
-
--- todo: other namespace -> typesetters
-
-nodes.stripping = nodes.stripping or { } local stripping = nodes.stripping
-stripping.glyphs = stripping.glyphs or { } local glyphs = stripping.glyphs
-
-local function initialize()
- for k,v in next, chardata do
- if v.category == "cf" and v.visible ~= "yes" then
- if not glyphs[k] then
- glyphs[k] = true
- end
- end
- end
- initialize = nil
-end
-
-local function process(what,head,current,char)
- if what == true then
- if trace_stripping then
- report_stripping("deleting %C from text",char)
- end
- head, current = delete_node(head,current)
- elseif type(what) == "function" then
- head, current = what(head,current)
- current = current.next
- if trace_stripping then
- report_stripping("processing %C in text",char)
- end
- elseif what then -- assume node
- head, current = replace_node(head,current,copy_node(what))
- current = current.next
- if trace_stripping then
- report_stripping("replacing %C in text",char)
- end
- end
- return head, current
-end
-
-function nodes.handlers.stripping(head)
- local current, done = head, false
- while current do
- if current.id == glyph_code then
- -- it's more efficient to keep track of what needs to be kept
- local todo = current[a_stripping]
- if todo == 1 then
- local char = current.char
- local what = glyphs[char]
- if what then
- head, current = process(what,head,current,char)
- done = true
- else -- handling of spacing etc has to be done elsewhere
- current = current.next
- end
- else
- current = current.next
- end
- else
- current = current.next
- end
- end
- return head, done
-end
-
-local enabled = false
-
-function stripping.set(n) -- number or 'reset'
- if n == v_reset then
- n = unsetvalue
- else
- n = tonumber(n)
- if n then
- if not enabled then
- if initialize then initialize() end
- tasks.enableaction("processors","nodes.handlers.stripping")
- enabled = true
- end
- else
- n = unsetvalue
- end
- end
- texattribute[a_stripping] = n
-end
-
--- why not in task-ini?
-
-tasks.appendaction("processors","fonts","nodes.handlers.stripping",nil,"nodes.handlers.characters")
-tasks.disableaction("processors","nodes.handlers.stripping")
-
--- interface
-
-commands.setcharacterstripping = stripping.set
+if not modules then modules = { } end modules ['typo-rep'] = {
+ version = 1.001,
+ comment = "companion to node-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+-- This was rather boring to program (more of the same) but I could
+-- endure it by listening to a couple cd's by The Scene and The Lau
+-- on the squeezebox on my desk.
+
+local trace_stripping = false trackers.register("nodes.stripping", function(v) trace_stripping = v end)
+ trackers.register("fonts.stripping", function(v) trace_stripping = v end)
+
+local report_stripping = logs.reporter("fonts","stripping")
+
+local nodes, node = nodes, node
+
+local delete_node = nodes.delete
+local replace_node = nodes.replace
+local copy_node = node.copy
+
+local chardata = characters.data
+local collected = false
+local a_stripping = attributes.private("stripping")
+local fontdata = fonts.hashes.identifiers
+local tasks = nodes.tasks
+
+local texattribute = tex.attribute
+local unsetvalue = attributes.unsetvalue
+
+local v_reset = interfaces.variables.reset
+
+local nodecodes = nodes.nodecodes
+local glyph_code = nodecodes.glyph
+
+-- todo: other namespace -> typesetters
+
+nodes.stripping = nodes.stripping or { } local stripping = nodes.stripping
+stripping.glyphs = stripping.glyphs or { } local glyphs = stripping.glyphs
+
+local function initialize()
+ for k,v in next, chardata do
+ if v.category == "cf" and v.visible ~= "yes" then
+ if not glyphs[k] then
+ glyphs[k] = true
+ end
+ end
+ end
+ initialize = nil
+end
+
+local function process(what,head,current,char)
+ if what == true then
+ if trace_stripping then
+ report_stripping("deleting %C from text",char)
+ end
+ head, current = delete_node(head,current)
+ elseif type(what) == "function" then
+ head, current = what(head,current)
+ current = current.next
+ if trace_stripping then
+ report_stripping("processing %C in text",char)
+ end
+ elseif what then -- assume node
+ head, current = replace_node(head,current,copy_node(what))
+ current = current.next
+ if trace_stripping then
+ report_stripping("replacing %C in text",char)
+ end
+ end
+ return head, current
+end
+
+function nodes.handlers.stripping(head)
+ local current, done = head, false
+ while current do
+ if current.id == glyph_code then
+ -- it's more efficient to keep track of what needs to be kept
+ local todo = current[a_stripping]
+ if todo == 1 then
+ local char = current.char
+ local what = glyphs[char]
+ if what then
+ head, current = process(what,head,current,char)
+ done = true
+ else -- handling of spacing etc has to be done elsewhere
+ current = current.next
+ end
+ else
+ current = current.next
+ end
+ else
+ current = current.next
+ end
+ end
+ return head, done
+end
+
+local enabled = false
+
+function stripping.set(n) -- number or 'reset'
+ if n == v_reset then
+ n = unsetvalue
+ else
+ n = tonumber(n)
+ if n then
+ if not enabled then
+ if initialize then initialize() end
+ tasks.enableaction("processors","nodes.handlers.stripping")
+ enabled = true
+ end
+ else
+ n = unsetvalue
+ end
+ end
+ texattribute[a_stripping] = n
+end
+
+-- why not in task-ini?
+
+tasks.appendaction("processors","fonts","nodes.handlers.stripping",nil,"nodes.handlers.characters")
+tasks.disableaction("processors","nodes.handlers.stripping")
+
+-- interface
+
+commands.setcharacterstripping = stripping.set