diff options
Diffstat (limited to 'otfl-data-con.lua')
| -rw-r--r-- | otfl-data-con.lua | 80 |
1 files changed, 46 insertions, 34 deletions
diff --git a/otfl-data-con.lua b/otfl-data-con.lua index fabe0ba..e7bb8af 100644 --- a/otfl-data-con.lua +++ b/otfl-data-con.lua @@ -1,5 +1,5 @@ if not modules then modules = { } end modules ['data-con'] = { - version = 1.001, + version = 1.100, comment = "companion to luat-lib.mkiv", author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", copyright = "PRAGMA ADE / ConTeXt Development Team", @@ -37,38 +37,48 @@ end local allocated = { } --- tracing +local mt = { + __index = function(t,k) + if k == "writable" then + local writable = caches.getwritablepath(t.category,t.subcategory) or { "." } + t.writable = writable + return writable + elseif k == "readables" then + local readables = caches.getreadablepaths(t.category,t.subcategory) or { "." } + t.readables = readables + return readables + end + end +} function containers.define(category, subcategory, version, enabled) - return function() - if category and subcategory then - local c = allocated[category] - if not c then - c = { } - allocated[category] = c - end - local s = c[subcategory] - if not s then - s = { - category = category, - subcategory = subcategory, - storage = { }, - enabled = enabled, - version = version or 1.000, - trace = false, - path = caches and caches.setpath and caches.setpath(category,subcategory), - } - c[subcategory] = s - end - return s - else - return nil + if category and subcategory then + local c = allocated[category] + if not c then + c = { } + allocated[category] = c end + local s = c[subcategory] + if not s then + s = { + category = category, + subcategory = subcategory, + storage = { }, + enabled = enabled, + version = version or math.pi, -- after all, this is TeX + trace = false, + -- writable = caches.getwritablepath and caches.getwritablepath (category,subcategory) or { "." }, + -- readables = caches.getreadablepaths and caches.getreadablepaths(category,subcategory) or { "." }, + } + setmetatable(s,mt) + c[subcategory] = s + end + return s end end function containers.is_usable(container, name) - return container.enabled and caches and caches.iswritable(container.path, name) + return container.enabled and caches and caches.iswritable(container.writable, name) end function containers.is_valid(container, name) @@ -81,18 +91,20 @@ function containers.is_valid(container, name) end function containers.read(container,name) - if container.enabled and caches and not container.storage[name] and containers.usecache then - container.storage[name] = caches.loaddata(container.path,name) - if containers.is_valid(container,name) then + local storage = container.storage + local stored = storage[name] + if not stored and container.enabled and caches and containers.usecache then + stored = caches.loaddata(container.readables,name) + if stored and stored.cache_version == container.version then report(container,"loaded",name) else - container.storage[name] = nil + stored = nil end - end - if container.storage[name] then + storage[name] = stored + elseif stored then report(container,"reusing",name) end - return container.storage[name] + return stored end function containers.write(container, name, data) @@ -101,7 +113,7 @@ function containers.write(container, name, data) if container.enabled and caches then local unique, shared = data.unique, data.shared data.unique, data.shared = nil, nil - caches.savedata(container.path, name, data) + caches.savedata(container.writable, name, data) report(container,"saved",name) data.unique, data.shared = unique, shared end |