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Added strdisplaywidth() function.

This commit is contained in:
Bram Moolenaar
2010-07-18 15:45:49 +02:00
parent 72597a57b5
commit dc536095ac
4 changed files with 50 additions and 7 deletions

View File

@@ -1910,6 +1910,7 @@ sqrt( {expr} Float squar root of {expr}
str2float( {expr}) Float convert String to Float
str2nr( {expr} [, {base}]) Number convert String to Number
strchars( {expr}) Number character length of the String {expr}
strdisplaywidth( {expr} [, {col}]) Number display length of the String {expr}
strftime( {format}[, {time}]) String time in specified format
stridx( {haystack}, {needle}[, {start}])
Number index of {needle} in {haystack}
@@ -5368,7 +5369,17 @@ strchars({expr}) *strchars()*
The result is a Number, which is the number of characters
String {expr} occupies. Composing characters are counted
separately.
Also see |strlen()| and |strwidth()|.
Also see |strlen()|, |strdisplaywidth()| and |strwidth()|.
strdisplaywidth({expr}[, {col}]) *strdisplaywidth()*
The result is a Number, which is the number of display cells
String {expr} occupies on the screen.
When {col} is omitted zero is used. Otherwise it is the
screen column where to start. This matters for Tab
characters.
When {expr} contains characters with East Asian Width Class
Ambiguous, this function's return value depends on 'ambiwidth'.
Also see |strlen()|, |strwidth()| and |strchars()|.
strftime({format} [, {time}]) *strftime()*
The result is a String, which is a formatted date and time, as
@@ -5432,7 +5443,8 @@ strlen({expr}) The result is a Number, which is the length of the String
<
If the argument is a Number it is first converted to a String.
For other types an error is given.
Also see |len()|, |strchars()| and |strwidth()|.
Also see |len()|, |strchars()|, |strdisplaywidth()| and
|strwidth()|.
strpart({src}, {start}[, {len}]) *strpart()*
The result is a String, which is part of {src}, starting from
@@ -5478,10 +5490,10 @@ strtrans({expr}) *strtrans()*
strwidth({expr}) *strwidth()*
The result is a Number, which is the number of display cells
String {expr} occupies. A Tab character is counted as one
cell (on the screen it depends on the position).
cell, alternatively use |strdisplaywidth()|.
When {expr} contains characters with East Asian Width Class
Ambiguous, this function's return value depends on 'ambiwidth'.
Also see |strlen()| and |strchars()|.
Also see |strlen()|, |strdisplaywidth()| and |strchars()|.
submatch({nr}) *submatch()*
Only for an expression in a |:substitute| command. Returns