1 files changed, 67 insertions, 0 deletions
diff --git a/.vim/autoload/omni/common/utils.vim b/.vim/autoload/omni/common/utils.vim
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+" Description: Omni completion utils
+" Maintainer:  Vissale NEANG
+" Last Change: 26 sept. 2007
+
+" For sort numbers in list
+function! omni#common#utils#CompareNumber(i1, i2)
+    let num1 = eval(a:i1)
+    let num2 = eval(a:i2)
+    return num1 == num2 ? 0 : num1 > num2 ? 1 : -1
+endfunc
+
+" TagList function calling the vim taglist() with try catch
+" The only throwed exception is 'TagList:UserInterrupt'
+" We also force the noignorecase option to avoid linear search when calling
+" taglist()
+function! omni#common#utils#TagList(szTagQuery)
+    let result = []
+    let bUserIgnoreCase = &ignorecase
+    " Forcing noignorecase search => binary search can be used in taglist()
+    " if tags in the tag file are sorted
+    if bUserIgnoreCase
+        set noignorecase
+    endif
+    try
+        let result = taglist(a:szTagQuery)
+    catch /^Vim:Interrupt$/
+        " Restoring user's setting
+        if bUserIgnoreCase
+            set ignorecase
+        endif
+        throw 'TagList:UserInterrupt'
+    catch
+        "Note: it seems that ctags can generate corrupted files, in this case
+        "taglist() will fail to read the tagfile and an exception from
+        "has_add() is thrown
+    endtry
+
+    " Restoring user's setting
+    if bUserIgnoreCase
+        set ignorecase
+    endif
+    return result
+endfunc
+
+" Same as TagList but don't throw exception
+function! omni#common#utils#TagListNoThrow(szTagQuery)
+    let result = []
+    try
+        let result = omni#common#utils#TagList(a:szTagQuery)
+    catch
+    endtry
+    return result
+endfunc
+
+" Get the word under the cursor
+function! omni#common#utils#GetWordUnderCursor()
+    let szLine = getline('.')
+    let startPos = getpos('.')[2]-1
+    let startPos = (startPos < 0)? 0 : startPos
+    if szLine[startPos] =~ '\w'
+        let startPos = searchpos('\<\w\+', 'cbn', line('.'))[1] - 1
+    endif
+
+    let startPos = (startPos < 0)? 0 : startPos
+    let szResult = matchstr(szLine, '\w\+', startPos)
+    return szResult
+endfunc