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authorPhilipp Gesang <phg42.2a@gmail.com>2013-08-31 20:40:33 +0200
committerPhilipp Gesang <phg42.2a@gmail.com>2013-08-31 20:40:33 +0200
commit4ae6dab28fdf719fd10ba165d1b2414bef6794d8 (patch)
tree55a29b744af6f0c05822cba844586957167ead46 /luaotfload-database.lua
parent55ba70c6d8f76706f083818e7dd38006e88dcfb7 (diff)
downloadluaotfload-4ae6dab28fdf719fd10ba165d1b2414bef6794d8.tar.gz
[db] refactor texmf and system font scanning
Diffstat (limited to 'luaotfload-database.lua')
-rw-r--r--luaotfload-database.lua74
1 files changed, 49 insertions, 25 deletions
diff --git a/luaotfload-database.lua b/luaotfload-database.lua
index 5d662e0..0139d89 100644
--- a/luaotfload-database.lua
+++ b/luaotfload-database.lua
@@ -240,7 +240,7 @@ This is a sketch of the luaotfload db:
type dbobj = {
families : familytable;
filenames : filemap;
- index : filestatus;
+ status : filestatus;
mappings : fontentry list;
meta : metadata;
names : namedata; // TODO: check for relevance after db is finalized
@@ -301,10 +301,11 @@ This is a sketch of the luaotfload db:
location : local | system | texmf;
weight : int;
width : int;
- units_per_em : int; // mainly 1000, but also 2048 or 256
+ units_per_em : int; // mainly 1000, but also 2048 or 256
}
- and filestatus = (fullname,
- { index : int list; timestamp : int }) dict
+ and filestatus = (string, // fullname
+ { index : int list; // pointer into mappings
+ timestamp : int; }) dict
beware that this is a reconstruction and may be incomplete.
@@ -350,7 +351,7 @@ local fontnames_init = function (formats) --- returns dbobj
system = { },
texmf = { },
},
- index = { }, -- was: status; map abspath -> mapping
+ status = { }, -- was: status; map abspath -> mapping
mappings = { }, -- TODO: check if still necessary after rewrite
names = { },
-- filenames = { }, -- created later
@@ -1404,17 +1405,22 @@ local loaders = {
pfa = t1_fullinfo,
}
---- we return true if the fond is new or re-indexed
+--- we return true if the font is new or re-indexed
--- string -> dbobj -> dbobj -> bool
-local load_font = function (fullname, fontnames, newfontnames, texmf)
+
+local read_font_names = function (fullname,
+ fontnames,
+ newfontnames,
+ texmf)
+
local newmappings = newfontnames.mappings
local newstatus = newfontnames.status --- by full path
local mappings = fontnames.mappings
local status = fontnames.status
- local basename = filebasename(fullname)
- local barename = filenameonly(fullname)
+ local basename = filebasename (fullname)
+ local barename = filenameonly (fullname)
local format = stringlower (filesuffix (basename))
@@ -1438,7 +1444,7 @@ local load_font = function (fullname, fontnames, newfontnames, texmf)
local newentrystatus = newstatus[fullname]
--- newentrystatus: nil | false | table
if newentrystatus and newentrystatus.timestamp == new_timestamp then
- -- already indexed this run
+ -- already statused this run
return false
end
@@ -1824,6 +1830,7 @@ end
--doc]]--
--- string -> dbobj -> dbobj -> bool -> bool -> (int * int)
+
local scan_dir = function (dirname, fontnames, newfontnames,
dry_run, texmf)
if lpegmatch (p_blacklist, dirname) then
@@ -1849,12 +1856,13 @@ local scan_dir = function (dirname, fontnames, newfontnames,
local new
if dry_run == true then
report ("both", 1, "db",
- "Would have been loading %q", fullname)
+ "Would have been extracting metadata from %q",
+ fullname)
else
report ("both", 4, "db",
- "Loading font %q", fullname)
- local new = load_font (fullname, fontnames,
- newfontnames, texmf)
+ "Extracting metadata from font %q", fullname)
+ local new = read_font_names (fullname, fontnames,
+ newfontnames, texmf)
if new == true then
n_new = n_new + 1
end
@@ -1890,6 +1898,7 @@ local path_separator = ostype == "windows" and ";" or ":"
--doc]]--
--- dbobj -> dbobj -> bool? -> (int * int)
+
local scan_texmf_fonts = function (fontnames, newfontnames, dry_run)
local n_scanned, n_new, fontdirs = 0, 0
@@ -2301,6 +2310,24 @@ local gen_fast_lookups = function (fontnames)
return fontnames
end
+local retrieve_namedata = function (fontnames, newfontnames, dry_run)
+ local n_rawnames, n_new = 0, 0
+
+ local rawnames, new = scan_texmf_fonts (fontnames,
+ newfontnames,
+ dry_run)
+
+ n_rawnames = n_rawnames + rawnames
+ n_new = n_new + new
+
+ rawnames, new = scan_os_fonts (fontnames, newfontnames, dry_run)
+
+ n_rawnames = n_rawnames + rawnames
+ n_new = n_new + new
+
+ return n_rawnames, n_new
+end
+
--- force: dictate rebuild from scratch
--- dry_dun: don’t write to the db, just scan dirs
@@ -2314,8 +2341,8 @@ update_names = function (fontnames, force, dry_run)
return fontnames or names.data
end
- local starttime = os.gettimeofday()
- local n_scanned, n_new = 0, 0
+ local starttime = os.gettimeofday()
+ local n_rawnames, n_new = 0, 0
--[[
The main function, scans everything
@@ -2340,14 +2367,11 @@ update_names = function (fontnames, force, dry_run)
local newfontnames = fontnames_init (get_font_filter ())
read_blacklist ()
- local scanned, new
- scanned, new = scan_texmf_fonts (fontnames, newfontnames, dry_run)
- n_scanned = n_scanned + scanned
- n_new = n_new + new
-
- scanned, new = scan_os_fonts (fontnames, newfontnames, dry_run)
- n_scanned = n_scanned + scanned
- n_new = n_new + new
+ local rawnames, new = retrieve_namedata (fontnames,
+ newfontnames,
+ dry_run)
+ n_rawnames = n_rawnames + rawnames
+ n_new = n_new + new
--- we always generate the file lookup tables because
--- non-texmf entries are redirected there and the mapping
@@ -2359,7 +2383,7 @@ update_names = function (fontnames, force, dry_run)
--- partial: 804 ms | 701 ms
--- forced: 45384 ms | 44714 ms
report("info", 3, "db",
- "Scanned %d font files; %d new entries.", n_scanned, n_new)
+ "Scanned %d font files; %d new entries.", n_rawnames, n_new)
report("info", 3, "db",
"Rebuilt in %0.f ms", 1000*(os.gettimeofday()-starttime))
names.data = newfontnames