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--[[
Tries to open the GeanyLua help file index in the user's web browser.
--]]
local DirSep = geany.dirsep
local HelpFile = DirSep.."geanylua-index.html"
local AppInfo = geany.appinfo()
local OwnHelpDir=AppInfo.scriptdir..DirSep.."support"
-- FIXME: expose GeanyLua's $DOCDIR to Lua scripts.
local DocDir=geany.dirname(AppInfo.docdir:gsub("html", ""):gsub("geany", "geany-plugins"))
local SysHelpDir=DocDir..DirSep.."geanylua"
local Browsers={ AppInfo.tools.browser,
"firefox", "mozilla", "opera",
"konqueror", "netscape", "iexplore"
}
local FullName=nil
-- Search in user and sytem directory for help file
for i,Dir in pairs( { OwnHelpDir, SysHelpDir } )
do
FullName=Dir..HelpFile
local st=geany.stat(FullName)
if (st) and (st.type == "r") --it exists and it's a regular file
then
break
else
FullName=nil
end
end
if FullName then
if (DirSep=="\\") then
-- windows hack
OldDir=geany.wkdir()
geany.wkdir(geany.dirname(FullName))
local rv,msg=geany.launch(os.getenv("COMSPEC"),"/C","start",geany.basename(FullName))
geany.wkdir(OldDir)
if not rv then geany.message(msg) end
else
local url="file://"..FullName
for i,Browser in pairs(Browsers) -- loop through possible browsers
do
rv,msg=geany.launch(Browser, url)
if rv then break end
geany.message(msg)
end
end
else
geany.message("Error launching help",
"Can't find help file in:\n "..OwnHelpDir.."\nor:\n"..SysHelpDir)
end
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