Merge branch 'handle/multibytetargetkey' into master

close #16

autoload/EasyMotion.vim

@@ -3,7 +3,7 @@
 " Author: Kim Silkebækken <kim.silkebaekken+vim@gmail.com>
 "         haya14busa <hayabusa1419@gmail.com>
 " Source: https://github.com/Lokaltog/vim-easymotion
-" Last Change: 22 Feb 2014.
+" Last Change: 24 Feb 2014.
 "=============================================================================
 " Saving 'cpoptions' {{{
 scriptencoding utf-8
@@ -828,13 +828,27 @@ function! s:PromptUser(groups) "{{{
     let coord_key_dict = s:CreateCoordKeyDict(a:groups)
 
     for dict_key in sort(coord_key_dict[0])
-        let target_key = coord_key_dict[1][dict_key]
+        " NOTE: {{{
+        " let g:EasyMotion_keys = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+        " Perform <Plug>(easymotion-w)
+        "
+        " lines[line_num]['orig']:
+        "   Lorem ipsum dolor sit amet consectetur adipisicing
+        "
+        " {target_char}:
+        "   {L}orem {i}psum {d}olor {s}it {a}met {c}onsectetur {a}dipisicing
+        "
+        " lines[line_num]['marker'], {marker_chars}:
+        "   {A}orem {B}psum {C}olor {D}it {E}met {F}onsectetur {G}dipisicing
+        "   2-key-combo: {marker_chars} could be 1 or 2 chars like {AB}
+        "
+        " }}}
+
+        " Prepare original line and marker line {{{
         let [line_num, col_num] = split(dict_key, ',')
 
         let line_num = str2nr(line_num)
         let col_num = str2nr(col_num)
-
-        " Add original line and marker line
         if ! has_key(lines, line_num)
             let current_line = getline(line_num)
             let lines[line_num] = {
@@ -842,63 +856,71 @@ function! s:PromptUser(groups) "{{{
                 \ 'marker': current_line,
                 \ 'mb_compensation': 0,
                 \ }
-        endif
+            " mb_compensation -> multibyte compensation
+        endif "}}}
 
+        " Multibyt Compensation: {{{
         " Solve multibyte issues by matching the byte column
         " number instead of the visual column
-        let col_num -= lines[line_num]['mb_compensation']
-
         " Compensate for byte difference between marker
         " character and target character
         "
         " This has to be done in order to match the correct
         " column; \%c matches the byte column and not display
         " column.
-        let target_char_len = strdisplaywidth(
+        let col_num -= lines[line_num]['mb_compensation']
-                                \ matchstr(lines[line_num]['marker'],
+        "}}}
-                                \          '\%' . col_num . 'c.'))
-        let target_key_len = strdisplaywidth(target_key)
 
+        " Prepare marker characters {{{
+        let marker_chars = coord_key_dict[1][dict_key]
+        let marker_chars_len = EasyMotion#helper#strchars(marker_chars)
+        let marker_chars_first = matchstr(marker_chars, '^.')
+        let marker_chars_first_byte_len = strlen(marker_chars_first)
+        "}}}
 
-        let target_line_byte_len = strlen(lines[line_num]['marker'])
+        " Prepare targets characters {{{
-
+        " Get target_char by compensated line.
-        " let target_char_byte_len = strlen(matchstr(
+        let target_char = matchstr(lines[line_num]['marker'],
-        "                                     \ lines[line_num]['marker'],
+                                 \ '\%' . col_num . 'c.')
-        "                                     \ '\%' . col_num . 'c.'))
+        let target_char_disp_len = strdisplaywidth(target_char)
+        let target_char_byte_len = strlen(target_char)
+        " Original target_line
+        let target_line_byte_len = strlen(lines[line_num]['orig'])
+        "}}}
 
         if strlen(lines[line_num]['marker']) > 0
         " Substitute marker character if line length > 0
-            let c = 0
+            let col_add = 0 " Column add byte length
+            " Disable two-key-combo feature?
             let marker_max_length = g:EasyMotion_disable_two_key_combo == 1
                                   \ ? 1 : 2
-            while c < target_key_len && c < marker_max_length
+            let marker_limit = min([marker_chars_len, marker_max_length])
-                if strlen(lines[line_num]['marker']) >= col_num + c
+            for i in range(marker_limit)
+                if strlen(lines[line_num]['marker']) >= col_num + col_add
                     " Substitute marker character if line length > 0
-                    if c == 0
+                    let substitute_expr = i == 0
+                        \ ? marker_chars_first .
+                        \   repeat(' ', target_char_disp_len - 1)
+                        \ : split(marker_chars, '\zs')[i]
+
                     let lines[line_num]['marker'] = substitute(
                         \ lines[line_num]['marker'],
-                            \ '\%' . (col_num + c) . 'c.',
+                        \ '\%' . (col_num + col_add) . 'c.',
-                            \ strpart(target_key, c, 1) . repeat(' ', target_char_len - 1),
+                        \ escape(substitute_expr,'&'),
                         \ '')
                 else
-                        let lines[line_num]['marker'] = substitute(
+                    " EOL
-                            \ lines[line_num]['marker'],
+                    let lines[line_num]['marker'] .= split(marker_chars, '\zs')[i]
-                            \ '\%' . (col_num + c) . 'c.',
-                            \ strpart(target_key, c, 1),
-                            \ '')
                 endif
-                else
+                let col_add += strlen(split(marker_chars, '\zs')[i])
-                    let lines[line_num]['marker'] .= strpart(target_key, c, 1)
+            endfor
-                endif
-                let c += 1
-            endwhile
         else
         " Set the line to the marker character if the line is empty
-            let lines[line_num]['marker'] = target_key
+            let lines[line_num]['marker'] = matchstr(marker_chars, '^.\{,2}')
         endif
 
         " -- Highlight targets ------------------- {{{
-        if target_key_len == 1
+        if marker_chars_len == 1
             call EasyMotion#highlight#add_highlight(
                 \ '\%' . line_num . 'l\%' . col_num . 'c',
                 \ g:EasyMotion_hl_group_target)
@@ -908,7 +930,7 @@ function! s:PromptUser(groups) "{{{
                 \ g:EasyMotion_hl2_first_group_target)
             if g:EasyMotion_disable_two_key_combo != 1
                 call EasyMotion#highlight#add_highlight(
-                    \ '\%' . line_num . 'l\%' . (col_num + 1) . 'c',
+                    \ '\%' . line_num . 'l\%' . (col_num + marker_chars_first_byte_len) . 'c',
                     \ g:EasyMotion_hl2_second_group_target)
             endif
         endif
@@ -916,7 +938,7 @@ function! s:PromptUser(groups) "{{{
 
         " Add marker/target length difference for multibyte
         " compensation
-        let lines[line_num]['mb_compensation'] +=
+        let lines[line_num]['mb_compensation'] =
             \ (target_line_byte_len - strlen(lines[line_num]['marker']))
     endfor