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|
if not modules then modules = { } end modules ['mtx-synctex'] = {
version = 1.002,
comment = "companion to mtxrun.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- InverseSearchCmdLine = scite.exe "%f" "-goto:%l" $
-- InverseSearchCmdLine = mtxrun.exe --script synctex --edit --name="%f" --line="%l" $
local tonumber = tonumber
local find, match, gsub = string.find, string.match, string.gsub
local isfile = lfs.isfile
local longtostring = string.longtostring
local helpinfo = [[
<?xml version="1.0"?>
<application>
<metadata>
<entry name="name">mtx-synctex</entry>
<entry name="detail">SyncTeX Checker</entry>
<entry name="version">1.00</entry>
</metadata>
<flags>
<category name="basic">
<subcategory>
<flag name="edit"><short>open file at line: --line=.. --editor=.. sourcefile</short></flag>
<flag name="list"><short>show blob: synctexfile</short></flag>
<flag name="goto"><short>open file at position: --page=.. --x=.. --y=.. --editor=.. synctexfile</short></flag>
<flag name="report"><short>show file and line: --page=.. --x=.. --y=.. --console synctexfile</short></flag>
</subcategory>
</category>
</flags>
</application>
]]
local application = logs.application {
name = "mtx-synctex",
banner = "ConTeXt SyncTeX Checker 1.00",
helpinfo = helpinfo,
}
local report = application.report
local editors = {
console = function(specification)
print(string.formatters["%q %i"](specification.filename,specification.linenumber or 1))
end,
scite = sandbox.registerrunner {
name = "scite",
program = {
windows = "scite",
unix = "SciTE",
},
template = longtostring [[
"%filename%"
"-goto:%linenumber%"
]],
},
}
local function validfile(filename)
if not filename or not isfile(filename) then
report("invalid synctex log file %a",filename)
return false
else
return true
end
end
local function editfile(filename,line,editor)
if not validfile(filename) then
return
end
local runner = editors[editor or "scite"] or editors.scite
runner {
filename = filename,
linenumber = tonumber(line) or 1,
}
end
-- In context we only care about explicitly marked horizontal blobs. And this is
-- only a check script. I know of no viewer that calls the synctex command line
-- version. Otherwise we could provide our own simplified variant and even
-- consider a more compact format (for instance we could use an "=" when the value
-- of x y w h d is the same as before, which is actually often the case for y, h
-- and d).
local factor = (7200/7227)/65536 -- we assume unit 1
local quit = true -- we only have one hit anyway
local function findlocation(filename,page,xpos,ypos)
if not validfile(filename) then
return
elseif not page then
page = 1
elseif not xpos or not ypos then
report("provide x and y coordinates (unit: basepoints)")
return
end
local files = { }
local found = false
local skip = false
local dx = false
local dy = false
local px = xpos / factor
local py = ypos / factor
local fi = 0
local ln = 0
for line in io.lines(filename) do
if found then
if find(line,"^}") then
break
else
-- we only look at positive cases
local f, l, x, y, w, h, d = match(line,"^h(.-),(.-):(.-),(.-):(.-),(.-),(.-)$")
if f and f ~= 0 then
x = tonumber(x)
if px >= x then
w = tonumber(w)
if px <= x + w then
y = tonumber(y)
d = tonumber(d)
if py >= y - d then
h = tonumber(h)
if py <= y + h then
if quit then
-- we have no overlapping boxes
fi = f
ln = l
break
else
local lx = px - x
local rx = x + w - px
local by = py - y + d
local ty = y + h - py
mx = lx < rx and lx or rx
my = by < ty and by or ty
if not dx then
dx = mx
dy = my
fi = f
ln = l
else
if mx < dx then
dx = mx
di = f
ln = l
end
if my < dy then
dy = my
fi = f
ln = l
end
end
end
end
end
end
end
end
end
elseif skip then
if find(line,"^}") then
skip = false
end
elseif find(line,"^{(%d+)") then
local p = tonumber(match(line,"^{(%d+)"))
if p == page then
found = true
else
skip = true
end
elseif find(line,"^Input:") then
local id, name = match(line,"^Input:(.-):(.-)$")
if id then
files[id] = name
end
end
end
if fi ~= 0 then
return files[fi], ln
end
end
local function showlocation(filename)
if not validfile(filename) then
return
end
local files = { }
local found = false
local page = 0
for line in io.lines(filename) do
if found then
if find(line,"^}") then
found = false
report("end page: %i",page)
else
local f, l, x, y, w, h, d = match(line,"^h(.-),(.-):(.-),(.-):(.-),(.-),(.-)$")
if f then
x = tonumber(x)
y = tonumber(y)
local llx = factor * ( x )
local lly = factor * ( y - tonumber(d) )
local urx = factor * ( x + tonumber(w) )
local ury = factor * ( y + tonumber(h) )
f = files[f]
if f then
report(" [% 4r % 4r % 4r % 4r] : % 5i : %s",llx,lly,urx,ury,l,f)
end
end
end
elseif find(line,"^{(%d+)") then
page = tonumber(match(line,"^{(%d+)"))
found = true
report("begin page: %i",page)
elseif find(line,"^Input:") then
local id, name = match(line,"^Input:(.-):(.-)$")
if id then
files[id] = name
end
end
end
end
local function gotolocation(filename,page,xpos,ypos,editor)
if filename then
local target, line = findlocation(filename,tonumber(page),tonumber(xpos),tonumber(ypos))
if target and line then
if editor then
editfile(target,line,editor)
else
report("filename=%a linenumber=%a",target,line)
end
end
end
end
-- print(findlocation("oeps.synctex",4,318,348))
-- print(findlocation("oeps.synctex",40,378,348))
-- print(gotolocation("oeps.synctex",4,318,348,"scite"))
-- print(showlocation("oeps.synctex"))
local argument = environment.argument
local filename = environment.files[1]
if argument("edit") then
editfile(filename,argument("line"),argument("editor"))
elseif argument("goto") then
gotolocation(filename,argument("page"),argument("x"),argument("y"),argument("editor"))
elseif argument("report") then
gotolocation(filename,argument("page"),argument("x"),argument("y"),"console")
elseif argument("list") then
showlocation(filename)
elseif argument("exporthelp") then
application.export(argument("exporthelp"),filename)
else
application.help()
end
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