diff options
Diffstat (limited to 'tex/context/base/m-database.lua')
| -rw-r--r-- | tex/context/base/m-database.lua | 274 |
1 files changed, 137 insertions, 137 deletions
diff --git a/tex/context/base/m-database.lua b/tex/context/base/m-database.lua index c287f4926..47854daa0 100644 --- a/tex/context/base/m-database.lua +++ b/tex/context/base/m-database.lua @@ -1,137 +1,137 @@ -if not modules then modules = { } end modules ['m-database'] = {
- version = 1.001,
- comment = "companion to m-database.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-local sub, gmatch, format = string.sub, string.gmatch, string.format
-local concat = table.concat
-local lpegpatterns, lpegmatch, lpegsplitat = lpeg.patterns, lpeg.match, lpeg.splitat
-local lpegP, lpegC, lpegS, lpegCt = lpeg.P, lpeg.C, lpeg.S, lpeg.Ct
-local stripstring = string.strip
-
--- One also needs to enable context.trace, here we only plug in some code (maybe
--- some day this tracker will also toggle the main context tracer.
-
-local trace_flush = false trackers.register("module.database.flush", function(v) trace_flush = v end)
-
-local report_database = logs.reporter("database")
-
-buffers.database = buffers.database or { }
-
-local l_tab = lpegpatterns.tab
-local l_space = lpegpatterns.space
-local l_comma = lpegpatterns.comma
-local l_empty = lpegS("\t\n\r ")^0 * lpegP(-1)
-
-local v_yes = interfaces.variables.yes
-
-local separators = { -- not interfaced
- tab = l_tab,
- tabs = l_tab^1,
- comma = l_comma,
- space = l_space,
- spaces = l_space^1,
-}
-
-function buffers.database.process(settings)
- local data
- if settings.type == "file" then
- local filename = resolvers.finders.byscheme("any",settings.database)
- data = filename ~= "" and io.loaddata(filename)
- data = data and string.splitlines(data)
- else
- data = buffers.getlines(settings.database)
- end
- if data and #data > 0 then
- if trace_flush then
- context.pushlogger(report_database)
- end
- local separatorchar, quotechar, commentchar = settings.separator, settings.quotechar, settings.commentchar
- local before, after = settings.before or "", settings.after or ""
- local first, last = settings.first or "", settings.last or ""
- local left, right = settings.left or "", settings.right or ""
- local setups = settings.setups or ""
- local strip = settings.strip == v_yes or false
- local command = settings.command
- separatorchar = (not separatorchar and ",") or separators[separatorchar] or separatorchar
- local separator = type(separatorchar) == "string" and lpegS(separatorchar) or separatorchar
- local whatever = lpegC((1 - separator)^0)
- if quotechar and quotechar ~= "" then
- local quotedata = nil
- for chr in gmatch(quotechar,".") do
- local quotechar = lpegP(chr)
- local quoteword = l_space^0 * quotechar * lpegC((1 - quotechar)^0) * quotechar * l_space^0
- if quotedata then
- quotedata = quotedata + quoteword
- else
- quotedata = quoteword
- end
- end
- whatever = quotedata + whatever
- end
- local checker = commentchar ~= "" and lpegS(commentchar)
- local splitter = lpegCt(whatever * (separator * whatever)^0)
- local found = false
- for i=1,#data do
- local line = data[i]
- if not lpegmatch(l_empty,line) and (not checker or not lpegmatch(checker,line)) then
- local list = lpegmatch(splitter,line)
- if not found then
- if setups ~= "" then
- context.begingroup()
- context.setups { setups }
- end
- context(before)
- found = true
- end
- if trace_flush then
- local result, r = { }, 0
- r = r + 1 ; result[r] = first
- for j=1,#list do
- local str = strip and stripstring(list[j]) or list[j]
- r = r + 1 ; result[r] = left
- if command == "" then
- r = r + 1 ; result[r] = str
- else
- r = r + 1 ; result[r] = command
- r = r + 1 ; result[r] = "{"
- r = r + 1 ; result[r] = str
- r = r + 1 ; result[r] = "}"
- end
- r = r + 1 ; result[r] = right
- end
- r = r + 1 ; result[r] = last
- context(concat(result))
- else
- context(first)
- for j=1,#list do
- local str = strip and stripstring(list[j]) or list[j]
- context(left)
- if command == "" then
- context(str)
- else
- context(command)
- context(false,str)
- end
- context(right)
- end
- context(last)
- end
- end
- end
- if found then
- context(after)
- if setups ~= "" then
- context.endgroup()
- end
- end
- if trace_flush then
- context.poplogger()
- end
- else
- -- message
- end
-end
+if not modules then modules = { } end modules ['m-database'] = { + version = 1.001, + comment = "companion to m-database.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local sub, gmatch, format = string.sub, string.gmatch, string.format +local concat = table.concat +local lpegpatterns, lpegmatch, lpegsplitat = lpeg.patterns, lpeg.match, lpeg.splitat +local lpegP, lpegC, lpegS, lpegCt = lpeg.P, lpeg.C, lpeg.S, lpeg.Ct +local stripstring = string.strip + +-- One also needs to enable context.trace, here we only plug in some code (maybe +-- some day this tracker will also toggle the main context tracer. + +local trace_flush = false trackers.register("module.database.flush", function(v) trace_flush = v end) + +local report_database = logs.reporter("database") + +buffers.database = buffers.database or { } + +local l_tab = lpegpatterns.tab +local l_space = lpegpatterns.space +local l_comma = lpegpatterns.comma +local l_empty = lpegS("\t\n\r ")^0 * lpegP(-1) + +local v_yes = interfaces.variables.yes + +local separators = { -- not interfaced + tab = l_tab, + tabs = l_tab^1, + comma = l_comma, + space = l_space, + spaces = l_space^1, +} + +function buffers.database.process(settings) + local data + if settings.type == "file" then + local filename = resolvers.finders.byscheme("any",settings.database) + data = filename ~= "" and io.loaddata(filename) + data = data and string.splitlines(data) + else + data = buffers.getlines(settings.database) + end + if data and #data > 0 then + if trace_flush then + context.pushlogger(report_database) + end + local separatorchar, quotechar, commentchar = settings.separator, settings.quotechar, settings.commentchar + local before, after = settings.before or "", settings.after or "" + local first, last = settings.first or "", settings.last or "" + local left, right = settings.left or "", settings.right or "" + local setups = settings.setups or "" + local strip = settings.strip == v_yes or false + local command = settings.command + separatorchar = (not separatorchar and ",") or separators[separatorchar] or separatorchar + local separator = type(separatorchar) == "string" and lpegS(separatorchar) or separatorchar + local whatever = lpegC((1 - separator)^0) + if quotechar and quotechar ~= "" then + local quotedata = nil + for chr in gmatch(quotechar,".") do + local quotechar = lpegP(chr) + local quoteword = l_space^0 * quotechar * lpegC((1 - quotechar)^0) * quotechar * l_space^0 + if quotedata then + quotedata = quotedata + quoteword + else + quotedata = quoteword + end + end + whatever = quotedata + whatever + end + local checker = commentchar ~= "" and lpegS(commentchar) + local splitter = lpegCt(whatever * (separator * whatever)^0) + local found = false + for i=1,#data do + local line = data[i] + if not lpegmatch(l_empty,line) and (not checker or not lpegmatch(checker,line)) then + local list = lpegmatch(splitter,line) + if not found then + if setups ~= "" then + context.begingroup() + context.setups { setups } + end + context(before) + found = true + end + if trace_flush then + local result, r = { }, 0 + r = r + 1 ; result[r] = first + for j=1,#list do + local str = strip and stripstring(list[j]) or list[j] + r = r + 1 ; result[r] = left + if command == "" then + r = r + 1 ; result[r] = str + else + r = r + 1 ; result[r] = command + r = r + 1 ; result[r] = "{" + r = r + 1 ; result[r] = str + r = r + 1 ; result[r] = "}" + end + r = r + 1 ; result[r] = right + end + r = r + 1 ; result[r] = last + context(concat(result)) + else + context(first) + for j=1,#list do + local str = strip and stripstring(list[j]) or list[j] + context(left) + if command == "" then + context(str) + else + context(command) + context(false,str) + end + context(right) + end + context(last) + end + end + end + if found then + context(after) + if setups ~= "" then + context.endgroup() + end + end + if trace_flush then + context.poplogger() + end + else + -- message + end +end |