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-rw-r--r--tex/context/base/data-zip.lua528
1 files changed, 264 insertions, 264 deletions
diff --git a/tex/context/base/data-zip.lua b/tex/context/base/data-zip.lua
index 62eeb1f38..5db69670c 100644
--- a/tex/context/base/data-zip.lua
+++ b/tex/context/base/data-zip.lua
@@ -1,264 +1,264 @@
-if not modules then modules = { } end modules ['data-zip'] = {
- version = 1.001,
- comment = "companion to luat-lib.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
--- partly redone .. needs testing
-
-local format, find, match = string.format, string.find, string.match
-
-local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end)
-
-local report_zip = logs.reporter("resolvers","zip")
-
---[[ldx--
-<p>We use a url syntax for accessing the zip file itself and file in it:</p>
-
-<typing>
-zip:///oeps.zip?name=bla/bla.tex
-zip:///oeps.zip?tree=tex/texmf-local
-zip:///texmf.zip?tree=/tex/texmf
-zip:///texmf.zip?tree=/tex/texmf-local
-zip:///texmf-mine.zip?tree=/tex/texmf-projects
-</typing>
---ldx]]--
-
-local resolvers = resolvers
-
-zip = zip or { }
-local zip = zip
-
-zip.archives = zip.archives or { }
-local archives = zip.archives
-
-zip.registeredfiles = zip.registeredfiles or { }
-local registeredfiles = zip.registeredfiles
-
-local limited = false
-
-directives.register("system.inputmode", function(v)
- if not limited then
- local i_limiter = io.i_limiter(v)
- if i_limiter then
- zip.open = i_limiter.protect(zip.open)
- limited = true
- end
- end
-end)
-
-local function validzip(str) -- todo: use url splitter
- if not find(str,"^zip://") then
- return "zip:///" .. str
- else
- return str
- end
-end
-
-function zip.openarchive(name)
- if not name or name == "" then
- return nil
- else
- local arch = archives[name]
- if not arch then
- local full = resolvers.findfile(name) or ""
- arch = (full ~= "" and zip.open(full)) or false
- archives[name] = arch
- end
- return arch
- end
-end
-
-function zip.closearchive(name)
- if not name or (name == "" and archives[name]) then
- zip.close(archives[name])
- archives[name] = nil
- end
-end
-
-function resolvers.locators.zip(specification)
- local archive = specification.filename
- local zipfile = archive and archive ~= "" and zip.openarchive(archive) -- tricky, could be in to be initialized tree
- if trace_locating then
- if zipfile then
- report_zip("locator: archive %a found",archive)
- else
- report_zip("locator: archive %a not found",archive)
- end
- end
-end
-
-function resolvers.hashers.zip(specification)
- local archive = specification.filename
- if trace_locating then
- report_zip("loading file %a",archive)
- end
- resolvers.usezipfile(specification.original)
-end
-
-function resolvers.concatinators.zip(zipfile,path,name) -- ok ?
- if not path or path == "" then
- return format('%s?name=%s',zipfile,name)
- else
- return format('%s?name=%s/%s',zipfile,path,name)
- end
-end
-
-function resolvers.finders.zip(specification)
- local original = specification.original
- local archive = specification.filename
- if archive then
- local query = url.query(specification.query)
- local queryname = query.name
- if queryname then
- local zfile = zip.openarchive(archive)
- if zfile then
- if trace_locating then
- report_zip("finder: archive %a found",archive)
- end
- local dfile = zfile:open(queryname)
- if dfile then
- dfile = zfile:close()
- if trace_locating then
- report_zip("finder: file %a found",queryname)
- end
- return specification.original
- elseif trace_locating then
- report_zip("finder: file %a not found",queryname)
- end
- elseif trace_locating then
- report_zip("finder: unknown archive %a",archive)
- end
- end
- end
- if trace_locating then
- report_zip("finder: %a not found",original)
- end
- return resolvers.finders.notfound()
-end
-
-function resolvers.openers.zip(specification)
- local original = specification.original
- local archive = specification.filename
- if archive then
- local query = url.query(specification.query)
- local queryname = query.name
- if queryname then
- local zfile = zip.openarchive(archive)
- if zfile then
- if trace_locating then
- report_zip("opener; archive %a opened",archive)
- end
- local dfile = zfile:open(queryname)
- if dfile then
- if trace_locating then
- report_zip("opener: file %a found",queryname)
- end
- return resolvers.openers.helpers.textopener('zip',original,dfile)
- elseif trace_locating then
- report_zip("opener: file %a not found",queryname)
- end
- elseif trace_locating then
- report_zip("opener: unknown archive %a",archive)
- end
- end
- end
- if trace_locating then
- report_zip("opener: %a not found",original)
- end
- return resolvers.openers.notfound()
-end
-
-function resolvers.loaders.zip(specification)
- local original = specification.original
- local archive = specification.filename
- if archive then
- local query = url.query(specification.query)
- local queryname = query.name
- if queryname then
- local zfile = zip.openarchive(archive)
- if zfile then
- if trace_locating then
- report_zip("loader: archive %a opened",archive)
- end
- local dfile = zfile:open(queryname)
- if dfile then
- logs.show_load(original)
- if trace_locating then
- report_zip("loader; file %a loaded",original)
- end
- local s = dfile:read("*all")
- dfile:close()
- return true, s, #s
- elseif trace_locating then
- report_zip("loader: file %a not found",queryname)
- end
- elseif trace_locating then
- report_zip("loader; unknown archive %a",archive)
- end
- end
- end
- if trace_locating then
- report_zip("loader: %a not found",original)
- end
- return resolvers.openers.notfound()
-end
-
--- zip:///somefile.zip
--- zip:///somefile.zip?tree=texmf-local -> mount
-
-function resolvers.usezipfile(archive)
- local specification = resolvers.splitmethod(archive) -- to be sure
- local archive = specification.filename
- if archive and not registeredfiles[archive] then
- local z = zip.openarchive(archive)
- if z then
- local instance = resolvers.instance
- local tree = url.query(specification.query).tree or ""
- if trace_locating then
- report_zip("registering: archive %a",archive)
- end
- statistics.starttiming(instance)
- resolvers.prependhash('zip',archive)
- resolvers.extendtexmfvariable(archive) -- resets hashes too
- registeredfiles[archive] = z
- instance.files[archive] = resolvers.registerzipfile(z,tree)
- statistics.stoptiming(instance)
- elseif trace_locating then
- report_zip("registering: unknown archive %a",archive)
- end
- elseif trace_locating then
- report_zip("registering: archive %a not found",archive)
- end
-end
-
-function resolvers.registerzipfile(z,tree)
- local files, filter = { }, ""
- if tree == "" then
- filter = "^(.+)/(.-)$"
- else
- filter = format("^%s/(.+)/(.-)$",tree)
- end
- if trace_locating then
- report_zip("registering: using filter %a",filter)
- end
- local register, n = resolvers.registerfile, 0
- for i in z:files() do
- local path, name = match(i.filename,filter)
- if path then
- if name and name ~= '' then
- register(files, name, path)
- n = n + 1
- else
- -- directory
- end
- else
- register(files, i.filename, '')
- n = n + 1
- end
- end
- report_zip("registering: %s files registered",n)
- return files
-end
+if not modules then modules = { } end modules ['data-zip'] = {
+ version = 1.001,
+ comment = "companion to luat-lib.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+-- partly redone .. needs testing
+
+local format, find, match = string.format, string.find, string.match
+
+local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end)
+
+local report_zip = logs.reporter("resolvers","zip")
+
+--[[ldx--
+<p>We use a url syntax for accessing the zip file itself and file in it:</p>
+
+<typing>
+zip:///oeps.zip?name=bla/bla.tex
+zip:///oeps.zip?tree=tex/texmf-local
+zip:///texmf.zip?tree=/tex/texmf
+zip:///texmf.zip?tree=/tex/texmf-local
+zip:///texmf-mine.zip?tree=/tex/texmf-projects
+</typing>
+--ldx]]--
+
+local resolvers = resolvers
+
+zip = zip or { }
+local zip = zip
+
+zip.archives = zip.archives or { }
+local archives = zip.archives
+
+zip.registeredfiles = zip.registeredfiles or { }
+local registeredfiles = zip.registeredfiles
+
+local limited = false
+
+directives.register("system.inputmode", function(v)
+ if not limited then
+ local i_limiter = io.i_limiter(v)
+ if i_limiter then
+ zip.open = i_limiter.protect(zip.open)
+ limited = true
+ end
+ end
+end)
+
+local function validzip(str) -- todo: use url splitter
+ if not find(str,"^zip://") then
+ return "zip:///" .. str
+ else
+ return str
+ end
+end
+
+function zip.openarchive(name)
+ if not name or name == "" then
+ return nil
+ else
+ local arch = archives[name]
+ if not arch then
+ local full = resolvers.findfile(name) or ""
+ arch = (full ~= "" and zip.open(full)) or false
+ archives[name] = arch
+ end
+ return arch
+ end
+end
+
+function zip.closearchive(name)
+ if not name or (name == "" and archives[name]) then
+ zip.close(archives[name])
+ archives[name] = nil
+ end
+end
+
+function resolvers.locators.zip(specification)
+ local archive = specification.filename
+ local zipfile = archive and archive ~= "" and zip.openarchive(archive) -- tricky, could be in to be initialized tree
+ if trace_locating then
+ if zipfile then
+ report_zip("locator: archive %a found",archive)
+ else
+ report_zip("locator: archive %a not found",archive)
+ end
+ end
+end
+
+function resolvers.hashers.zip(specification)
+ local archive = specification.filename
+ if trace_locating then
+ report_zip("loading file %a",archive)
+ end
+ resolvers.usezipfile(specification.original)
+end
+
+function resolvers.concatinators.zip(zipfile,path,name) -- ok ?
+ if not path or path == "" then
+ return format('%s?name=%s',zipfile,name)
+ else
+ return format('%s?name=%s/%s',zipfile,path,name)
+ end
+end
+
+function resolvers.finders.zip(specification)
+ local original = specification.original
+ local archive = specification.filename
+ if archive then
+ local query = url.query(specification.query)
+ local queryname = query.name
+ if queryname then
+ local zfile = zip.openarchive(archive)
+ if zfile then
+ if trace_locating then
+ report_zip("finder: archive %a found",archive)
+ end
+ local dfile = zfile:open(queryname)
+ if dfile then
+ dfile = zfile:close()
+ if trace_locating then
+ report_zip("finder: file %a found",queryname)
+ end
+ return specification.original
+ elseif trace_locating then
+ report_zip("finder: file %a not found",queryname)
+ end
+ elseif trace_locating then
+ report_zip("finder: unknown archive %a",archive)
+ end
+ end
+ end
+ if trace_locating then
+ report_zip("finder: %a not found",original)
+ end
+ return resolvers.finders.notfound()
+end
+
+function resolvers.openers.zip(specification)
+ local original = specification.original
+ local archive = specification.filename
+ if archive then
+ local query = url.query(specification.query)
+ local queryname = query.name
+ if queryname then
+ local zfile = zip.openarchive(archive)
+ if zfile then
+ if trace_locating then
+ report_zip("opener; archive %a opened",archive)
+ end
+ local dfile = zfile:open(queryname)
+ if dfile then
+ if trace_locating then
+ report_zip("opener: file %a found",queryname)
+ end
+ return resolvers.openers.helpers.textopener('zip',original,dfile)
+ elseif trace_locating then
+ report_zip("opener: file %a not found",queryname)
+ end
+ elseif trace_locating then
+ report_zip("opener: unknown archive %a",archive)
+ end
+ end
+ end
+ if trace_locating then
+ report_zip("opener: %a not found",original)
+ end
+ return resolvers.openers.notfound()
+end
+
+function resolvers.loaders.zip(specification)
+ local original = specification.original
+ local archive = specification.filename
+ if archive then
+ local query = url.query(specification.query)
+ local queryname = query.name
+ if queryname then
+ local zfile = zip.openarchive(archive)
+ if zfile then
+ if trace_locating then
+ report_zip("loader: archive %a opened",archive)
+ end
+ local dfile = zfile:open(queryname)
+ if dfile then
+ logs.show_load(original)
+ if trace_locating then
+ report_zip("loader; file %a loaded",original)
+ end
+ local s = dfile:read("*all")
+ dfile:close()
+ return true, s, #s
+ elseif trace_locating then
+ report_zip("loader: file %a not found",queryname)
+ end
+ elseif trace_locating then
+ report_zip("loader; unknown archive %a",archive)
+ end
+ end
+ end
+ if trace_locating then
+ report_zip("loader: %a not found",original)
+ end
+ return resolvers.openers.notfound()
+end
+
+-- zip:///somefile.zip
+-- zip:///somefile.zip?tree=texmf-local -> mount
+
+function resolvers.usezipfile(archive)
+ local specification = resolvers.splitmethod(archive) -- to be sure
+ local archive = specification.filename
+ if archive and not registeredfiles[archive] then
+ local z = zip.openarchive(archive)
+ if z then
+ local instance = resolvers.instance
+ local tree = url.query(specification.query).tree or ""
+ if trace_locating then
+ report_zip("registering: archive %a",archive)
+ end
+ statistics.starttiming(instance)
+ resolvers.prependhash('zip',archive)
+ resolvers.extendtexmfvariable(archive) -- resets hashes too
+ registeredfiles[archive] = z
+ instance.files[archive] = resolvers.registerzipfile(z,tree)
+ statistics.stoptiming(instance)
+ elseif trace_locating then
+ report_zip("registering: unknown archive %a",archive)
+ end
+ elseif trace_locating then
+ report_zip("registering: archive %a not found",archive)
+ end
+end
+
+function resolvers.registerzipfile(z,tree)
+ local files, filter = { }, ""
+ if tree == "" then
+ filter = "^(.+)/(.-)$"
+ else
+ filter = format("^%s/(.+)/(.-)$",tree)
+ end
+ if trace_locating then
+ report_zip("registering: using filter %a",filter)
+ end
+ local register, n = resolvers.registerfile, 0
+ for i in z:files() do
+ local path, name = match(i.filename,filter)
+ if path then
+ if name and name ~= '' then
+ register(files, name, path)
+ n = n + 1
+ else
+ -- directory
+ end
+ else
+ register(files, i.filename, '')
+ n = n + 1
+ end
+ end
+ report_zip("registering: %s files registered",n)
+ return files
+end