vimwiki/autoload/vimwiki/markdown_base.vim
2017-01-11 22:12:33 +01:00

232 lines
7.2 KiB
VimL

" vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
" Vimwiki autoload plugin file
" Desc: Link functions for markdown syntax
" Home: https://github.com/vimwiki/vimwiki/
" MISC helper functions {{{
" vimwiki#markdown_base#reset_mkd_refs
function! vimwiki#markdown_base#reset_mkd_refs() "{{{
call vimwiki#vars#set_bufferlocal('markdown_refs', {})
endfunction "}}}
" vimwiki#markdown_base#scan_reflinks
function! vimwiki#markdown_base#scan_reflinks() " {{{
let mkd_refs = {}
" construct list of references using vimgrep
try
" Why noautocmd? Because https://github.com/vimwiki/vimwiki/issues/121
noautocmd execute 'vimgrep #'.vimwiki#vars#get_syntaxlocal('rxMkdRef').'#j %'
catch /^Vim\%((\a\+)\)\=:E480/ " No Match
"Ignore it, and move on to the next file
endtry
"
for d in getqflist()
let matchline = join(getline(d.lnum, min([d.lnum+1, line('$')])), ' ')
let descr = matchstr(matchline, vimwiki#vars#get_syntaxlocal('rxMkdRefMatchDescr'))
let url = matchstr(matchline, vimwiki#vars#get_syntaxlocal('rxMkdRefMatchUrl'))
if descr != '' && url != ''
let mkd_refs[descr] = url
endif
endfor
call vimwiki#vars#set_bufferlocal('markdown_refs', mkd_refs)
return mkd_refs
endfunction "}}}
" vimwiki#markdown_base#get_reflinks
function! vimwiki#markdown_base#get_reflinks() " {{{
let done = 1
try
let mkd_refs = vimwiki#vars#get_bufferlocal('markdown_refs')
catch
" work-around hack
let done = 0
" ... the following command does not work inside catch block !?
" > let mkd_refs = vimwiki#markdown_base#scan_reflinks()
endtry
if !done
let mkd_refs = vimwiki#markdown_base#scan_reflinks()
endif
return mkd_refs
endfunction "}}}
" vimwiki#markdown_base#open_reflink
" try markdown reference links
function! vimwiki#markdown_base#open_reflink(link) " {{{
" echom "vimwiki#markdown_base#open_reflink"
let link = a:link
let mkd_refs = vimwiki#markdown_base#get_reflinks()
if has_key(mkd_refs, link)
let url = mkd_refs[link]
call vimwiki#base#system_open_link(url)
return 1
else
return 0
endif
endfunction " }}}
" }}}
" WIKI link following functions {{{
" vimwiki#markdown_base#follow_link
function! vimwiki#markdown_base#follow_link(split, ...) "{{{ Parse link at cursor and pass
" to VimwikiLinkHandler, or failing that, the default open_link handler
" echom "markdown_base#follow_link"
if 0
" Syntax-specific links
" XXX: @Stuart: do we still need it?
" XXX: @Maxim: most likely! I am still working on a seemless way to
" integrate regexp's without complicating syntax/vimwiki.vim
else
if a:split ==# "split"
let cmd = ":split "
elseif a:split ==# "vsplit"
let cmd = ":vsplit "
elseif a:split ==# "tabnew"
let cmd = ":tabnew "
else
let cmd = ":e "
endif
" try WikiLink
let lnk = matchstr(vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_syntaxlocal('rxWikiLink')),
\ vimwiki#vars#get_syntaxlocal('rxWikiLinkMatchUrl'))
" try WikiIncl
if lnk == ""
let lnk = matchstr(vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_global('rxWikiIncl')),
\ vimwiki#vars#get_global('rxWikiInclMatchUrl'))
endif
" try Weblink
if lnk == ""
let lnk = matchstr(vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_global('rxWeblink')),
\ vimwiki#vars#get_global('rxWeblinkMatchUrl'))
endif
if lnk != ""
if !VimwikiLinkHandler(lnk)
if !vimwiki#markdown_base#open_reflink(lnk)
" remove the extension from the filename if exists
let lnk = substitute(lnk, vimwiki#vars#get_wikilocal('ext').'$', '', '')
call vimwiki#base#open_link(cmd, lnk)
endif
endif
return
endif
if a:0 > 0
execute "normal! ".a:1
else
call vimwiki#base#normalize_link(0)
endif
endif
endfunction " }}}
" LINK functions {{{
" s:normalize_link_syntax_n
function! s:normalize_link_syntax_n() " {{{
let lnum = line('.')
" try WikiIncl
let lnk = vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_global('rxWikiIncl'))
if !empty(lnk)
" NO-OP !!
return
endif
" try WikiLink0: replace with WikiLink1
let lnk = vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_syntaxlocal('rxWikiLink0'))
if !empty(lnk)
let sub = vimwiki#base#normalize_link_helper(lnk,
\ vimwiki#vars#get_syntaxlocal('rxWikiLinkMatchUrl'), vimwiki#vars#get_global('rxWikiLinkMatchDescr'),
\ vimwiki#vars#get_syntaxlocal('WikiLink1Template2'))
call vimwiki#base#replacestr_at_cursor(vimwiki#vars#get_syntaxlocal('rxWikiLink0'), sub)
return
endif
" try WikiLink1: replace with WikiLink0
let lnk = vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_syntaxlocal('rxWikiLink1'))
if !empty(lnk)
let sub = vimwiki#base#normalize_link_helper(lnk,
\ vimwiki#vars#get_syntaxlocal('rxWikiLinkMatchUrl'), vimwiki#vars#get_global('rxWikiLinkMatchDescr'),
\ vimwiki#vars#get_global('WikiLinkTemplate2'))
call vimwiki#base#replacestr_at_cursor(vimwiki#vars#get_syntaxlocal('rxWikiLink1'), sub)
return
endif
" try Weblink
let lnk = vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_global('rxWeblink'))
if !empty(lnk)
let sub = vimwiki#base#normalize_link_helper(lnk,
\ vimwiki#vars#get_global('rxWeblinkMatchUrl'), vimwiki#vars#get_global('rxWeblinkMatchDescr'),
\ vimwiki#vars#get_syntaxlocal('Weblink1Template'))
call vimwiki#base#replacestr_at_cursor(vimwiki#vars#get_global('rxWeblink'), sub)
return
endif
" try Word (any characters except separators)
" rxWord is less permissive than rxWikiLinkUrl which is used in
" normalize_link_syntax_v
let lnk = vimwiki#base#matchstr_at_cursor(vimwiki#vars#get_global('rxWord'))
if !empty(lnk)
let sub = vimwiki#base#normalize_link_helper(lnk,
\ vimwiki#vars#get_global('rxWord'), '',
\ vimwiki#vars#get_syntaxlocal('Weblink1Template'))
call vimwiki#base#replacestr_at_cursor('\V'.lnk, sub)
return
endif
endfunction " }}}
" s:normalize_link_syntax_v
function! s:normalize_link_syntax_v() " {{{
let lnum = line('.')
let sel_save = &selection
let &selection = "old"
let rv = @"
let rt = getregtype('"')
let done = 0
try
norm! gvy
let visual_selection = @"
let link = substitute(vimwiki#vars#get_syntaxlocal('Weblink1Template'), '__LinkUrl__', '\='."'".visual_selection."'", '')
let link = substitute(link, '__LinkDescription__', '\='."'".visual_selection."'", '')
call setreg('"', link, 'v')
" paste result
norm! `>pgvd
finally
call setreg('"', rv, rt)
let &selection = sel_save
endtry
endfunction " }}}
" vimwiki#base#normalize_link
function! vimwiki#markdown_base#normalize_link(is_visual_mode) "{{{
if 0
" Syntax-specific links
else
if !a:is_visual_mode
call s:normalize_link_syntax_n()
elseif visualmode() ==# 'v' && line("'<") == line("'>")
" action undefined for 'line-wise' or 'multi-line' visual mode selections
call s:normalize_link_syntax_v()
endif
endif
endfunction "}}}
" }}}
" -------------------------------------------------------------------------
" Load syntax-specific Wiki functionality
" -------------------------------------------------------------------------