Initial commit.

vim/autoload/railmoon/oscan/extractor/multiline_search.vim

@@ -0,0 +1,123 @@
+" Author: Mykola Golubyev ( Nickolay Golubev )
+" Email: golubev.nikolay@gmail.com
+" Site: www.railmoon.com
+" Plugin: oscan
+" Module: extractor#multiline_search
+" Purpose: extract strings ( and their neighbours)  with search pattern from current file
+
+function! railmoon#oscan#extractor#multiline_search#create()
+    let new_extractor = copy(s:tag_scan_multiline_search_extractor)
+
+    let new_extractor.file_name = expand("%:p")
+    let new_extractor.file_extension = expand("%:e")
+    let new_extractor.first_line_to_search = 1
+    let new_extractor.last_line_to_search = line('$')
+    let new_extractor.pattern = @/
+    let new_extractor.filetype = &filetype
+    let new_extractor.description = 'Mutliline search "'.new_extractor.pattern.'" in "'.new_extractor.file_name.'"'
+
+    return new_extractor
+endfunction
+
+let s:tag_scan_multiline_search_extractor = {}
+function! s:tag_scan_multiline_search_extractor.process(record)
+    exec a:record.data
+endfunction
+
+function! s:tag_scan_multiline_search_extractor.tags_by_line(line_number_start, data)
+    let tags = []
+
+    let i = 0
+    for line in a:data
+        call extend(tags, railmoon#oscan#extractor#util#tags_from_searched_line(a:line_number_start + i, line) )
+        let i += 1
+    endfor
+
+    return tags
+endfunction
+
+function! s:tag_scan_multiline_search_extractor.extract()
+    let result = []
+
+    let pos = getpos('.')
+    
+    call cursor(self.first_line_to_search, 1)
+
+    let pattern = self.pattern
+    let last_search_result = -1
+
+    let option = 'Wc'
+
+    let match_pattern_line_numbers = [] 
+
+    while 1
+        let search_result = search(pattern, option, self.last_line_to_search)
+
+        if search_result == 0
+            break
+        endif
+
+        if search_result != last_search_result
+            call add(match_pattern_line_numbers, search_result)
+        endif
+
+        let last_search_result = search_result
+        let option = 'W'
+    endwhile
+
+    let match_cout = len(match_pattern_line_numbers)
+
+    if match_cout == 0
+        return result
+    endif
+
+    let min_block_size = 2
+    let i = 0
+
+    while i < match_cout
+
+        let block_begin = match_pattern_line_numbers[i] - min_block_size
+        let delta = 0
+        if block_begin < self.first_line_to_search
+            let delta = self.first_line_to_search - block_begin
+            let block_begin = self.first_line_to_search
+        endif 
+
+        let block_end = match_pattern_line_numbers[i] + min_block_size + delta
+        if block_end > self.last_line_to_search
+            let block_end = self.last_line_to_search
+        endif
+
+        while i < match_cout 
+            if match_pattern_line_numbers[i] - min_block_size > block_end
+                let i -= 1
+                break
+            endif
+
+            let block_end = match_pattern_line_numbers[i] + min_block_size
+            
+            let i += 1
+        endwhile
+
+        let data = getline(block_begin, block_end)
+        let tag_list = self.tags_by_line(block_begin, data)
+
+        call add(tag_list, block_begin)
+
+        call add(result, railmoon#oscan#record#create(data, tag_list, block_begin, block_begin))
+
+        let i +=1 
+    endwhile
+
+
+    call setpos('.', pos)
+
+    return result
+endfunction
+
+function! s:tag_scan_multiline_search_extractor.colorize()
+    let &filetype = self.filetype
+    exec 'syn match Search "'.'\c'.self.pattern.'"'
+"    exec 'syn match Identifier "[**].*"'
+endfunction
+