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پرش به ناوبری پرش به جستجو
۹۳۷ بایت اضافه‌شده ،  ‏۲ اکتبر ۲۰۱۹، ساعت ۱۷:۰۷
به‌روز از ویکی انگلیسی
سطر ۱: سطر ۱: −
--[[
+
--[[
    
This module is intended to provide access to basic string functions.
 
This module is intended to provide access to basic string functions.
   −
Most of the functions provided here can be invoked with named parameters,  
+
Most of the functions provided here can be invoked with named parameters,
unnamed parameters, or a mixture.  If named parameters are used, Mediawiki will  
+
unnamed parameters, or a mixture.  If named parameters are used, Mediawiki will
automatically remove any leading or trailing whitespace from the parameter.
+
automatically remove any leading or trailing whitespace from the parameter.
 
Depending on the intended use, it may be advantageous to either preserve or
 
Depending on the intended use, it may be advantageous to either preserve or
 
remove such whitespace.
 
remove such whitespace.
    
Global options
 
Global options
     ignore_errors: If set to 'true' or 1, any error condition will result in  
+
     ignore_errors: If set to 'true' or 1, any error condition will result in
         an empty string being returned rather than an error message.
+
         an empty string being returned rather than an error message.
       
+
 
     error_category: If an error occurs, specifies the name of a category to  
+
     error_category: If an error occurs, specifies the name of a category to
         include with the error message.  The default category is
+
         include with the error message.  The default category is
 
         [Category:خطاهای گزارش‌شده توسط پودمان String].
 
         [Category:خطاهای گزارش‌شده توسط پودمان String].
       
+
 
 
     no_category: If set to 'true' or 1, no category will be added if an error
 
     no_category: If set to 'true' or 1, no category will be added if an error
 
         is generated.
 
         is generated.
       
+
 
 
Unit tests for this module are available at Module:String/tests.
 
Unit tests for this module are available at Module:String/tests.
 
]]
 
]]
سطر ۳۹: سطر ۳۹:     
If invoked using named parameters, Mediawiki will automatically remove any leading or
 
If invoked using named parameters, Mediawiki will automatically remove any leading or
trailing whitespace from the target string.
+
trailing whitespace from the target string.
 
]]
 
]]
 
function str.len( frame )
 
function str.len( frame )
    local new_args = str._getParameters( frame.args, {'s'} );
+
local new_args = str._getParameters( frame.args, {'s'} )
    local s = new_args['s'] or '';
+
local s = new_args['s'] or ''
    return mw.ustring.len( s )
+
return mw.ustring.len( s )
 
end
 
end
   سطر ۶۱: سطر ۶۱:  
     i: The fist index of the substring to return, defaults to 1.
 
     i: The fist index of the substring to return, defaults to 1.
 
     j: The last index of the string to return, defaults to the last character.
 
     j: The last index of the string to return, defaults to the last character.
   
+
 
 
The first character of the string is assigned an index of 1.  If either i or j
 
The first character of the string is assigned an index of 1.  If either i or j
is a negative value, it is interpreted the same as selecting a character by  
+
is a negative value, it is interpreted the same as selecting a character by
counting from the end of the string.  Hence, a value of -1 is the same as  
+
counting from the end of the string.  Hence, a value of -1 is the same as
 
selecting the last character of the string.
 
selecting the last character of the string.
   −
If the requested indices are out of range for the given string, an error is  
+
If the requested indices are out of range for the given string, an error is
 
reported.
 
reported.
 
]]
 
]]
 
function str.sub( frame )
 
function str.sub( frame )
    local new_args = str._getParameters( frame.args, { 's', 'i', 'j' } );
+
local new_args = str._getParameters( frame.args, { 's', 'i', 'j' } )
    local s = new_args['s'] or '';
+
local s = new_args['s'] or ''
    local i = tonumber( new_args['i'] ) or 1;
+
local i = tonumber( new_args['i'] ) or 1
    local j = tonumber( new_args['j'] ) or -1;
+
local j = tonumber( new_args['j'] ) or -1
   
+
 
    local len = mw.ustring.len( s );
+
local len = mw.ustring.len( s )
 +
 
 +
-- Convert negatives for range checking
 +
if i < 0 then
 +
i = len + i + 1
 +
end
 +
if j < 0 then
 +
j = len + j + 1
 +
end
 +
 
 +
if i > len or j > len or i < 1 or j < 1 then
 +
return str._error( 'String subset index out of range' )
 +
end
 +
if j < i then
 +
return str._error( 'String subset indices out of order' )
 +
end
   −
    -- Convert negatives for range checking
+
return mw.ustring.sub( s, i, j )
    if i < 0 then
  −
        i = len + i + 1;
  −
    end
  −
    if j < 0 then
  −
        j = len + j + 1;
  −
    end
  −
   
  −
    if i > len or j > len or i < 1 or j < 1 then
  −
        return str._error( 'String subset index out of range' );
  −
    end
  −
    if j < i then
  −
        return str._error( 'String subset indices out of order' );
  −
    end
  −
   
  −
    return mw.ustring.sub( s, i, j )
   
end
 
end
   سطر ۱۰۱: سطر ۱۰۱:  
]]
 
]]
 
function str.sublength( frame )
 
function str.sublength( frame )
    local i = tonumber( frame.args.i ) or 0
+
local i = tonumber( frame.args.i ) or 0
    local len = tonumber( frame.args.len )
+
local len = tonumber( frame.args.len )
    return mw.ustring.sub( frame.args.s, i + 1, len and ( i + len ) )
+
return mw.ustring.sub( frame.args.s, i + 1, len and ( i + len ) )
 
end
 
end
   سطر ۱۰۹: سطر ۱۰۹:  
match
 
match
   −
This function returns a substring from the source string that matches a  
+
This function returns a substring from the source string that matches a
 
specified pattern.
 
specified pattern.
   سطر ۱۱۵: سطر ۱۱۵:  
{{#invoke:String|match|source_string|pattern_string|start_index|match_number|plain_flag|nomatch_output}}
 
{{#invoke:String|match|source_string|pattern_string|start_index|match_number|plain_flag|nomatch_output}}
 
OR
 
OR
{{#invoke:String|pos|s=source_string|pattern=pattern_string|start=start_index
+
{{#invoke:String|match|s=source_string|pattern=pattern_string|start=start_index
 
     |match=match_number|plain=plain_flag|nomatch=nomatch_output}}
 
     |match=match_number|plain=plain_flag|nomatch=nomatch_output}}
   سطر ۱۲۳: سطر ۱۲۳:  
     start: The index within the source string to start the search.  The first
 
     start: The index within the source string to start the search.  The first
 
         character of the string has index 1.  Defaults to 1.
 
         character of the string has index 1.  Defaults to 1.
     match: In some cases it may be possible to make multiple matches on a single  
+
     match: In some cases it may be possible to make multiple matches on a single
         string.  This specifies which match to return, where the first match is  
+
         string.  This specifies which match to return, where the first match is
         match= 1.  If a negative number is specified then a match is returned  
+
         match= 1.  If a negative number is specified then a match is returned
 
         counting from the last match.  Hence match = -1 is the same as requesting
 
         counting from the last match.  Hence match = -1 is the same as requesting
 
         the last match.  Defaults to 1.
 
         the last match.  Defaults to 1.
سطر ۱۳۳: سطر ۱۳۳:     
If invoked using named parameters, Mediawiki will automatically remove any leading or
 
If invoked using named parameters, Mediawiki will automatically remove any leading or
trailing whitespace from each string.  In some circumstances this is desirable, in  
+
trailing whitespace from each string.  In some circumstances this is desirable, in
 
other cases one may want to preserve the whitespace.
 
other cases one may want to preserve the whitespace.
    
If the match_number or start_index are out of range for the string being queried, then
 
If the match_number or start_index are out of range for the string being queried, then
 
this function generates an error.  An error is also generated if no match is found.
 
this function generates an error.  An error is also generated if no match is found.
If one adds the parameter ignore_errors=true, then the error will be suppressed and  
+
If one adds the parameter ignore_errors=true, then the error will be suppressed and
 
an empty string will be returned on any failure.
 
an empty string will be returned on any failure.
   سطر ۱۴۸: سطر ۱۴۸:     
]]
 
]]
 +
-- This sub-routine is exported for use in other modules
 +
function str._match( s, pattern, start, match_index, plain_flag, nomatch )
 +
if s == '' then
 +
return str._error( 'Target string is empty' )
 +
end
 +
if pattern == '' then
 +
return str._error( 'Pattern string is empty' )
 +
end
 +
start = tonumber(start) or 1
 +
if math.abs(start) < 1 or math.abs(start) > mw.ustring.len( s ) then
 +
return str._error( 'Requested start is out of range' )
 +
end
 +
if match_index == 0 then
 +
return str._error( 'Match index is out of range' )
 +
end
 +
if plain_flag then
 +
pattern = str._escapePattern( pattern )
 +
end
 +
 +
local result
 +
if match_index == 1 then
 +
-- Find first match is simple case
 +
result = mw.ustring.match( s, pattern, start )
 +
else
 +
if start > 1 then
 +
s = mw.ustring.sub( s, start )
 +
end
 +
 +
local iterator = mw.ustring.gmatch(s, pattern)
 +
if match_index > 0 then
 +
-- Forward search
 +
for w in iterator do
 +
match_index = match_index - 1
 +
if match_index == 0 then
 +
result = w
 +
break
 +
end
 +
end
 +
else
 +
-- Reverse search
 +
local result_table = {}
 +
local count = 1
 +
for w in iterator do
 +
result_table[count] = w
 +
count = count + 1
 +
end
 +
 +
result = result_table[ count + match_index ]
 +
end
 +
end
 +
 +
if result == nil then
 +
if nomatch == nil then
 +
return str._error( 'Match not found' )
 +
else
 +
return nomatch
 +
end
 +
else
 +
return result
 +
end
 +
end
 +
-- This is the entry point for #invoke:String|match
 
function str.match( frame )
 
function str.match( frame )
    local new_args = str._getParameters( frame.args, {'s', 'pattern', 'start', 'match', 'plain', 'nomatch'} );
+
local new_args = str._getParameters( frame.args, {'s', 'pattern', 'start', 'match', 'plain', 'nomatch'} )
    local s = new_args['s'] or '';
+
local s = new_args['s'] or ''
    local start = tonumber( new_args['start'] ) or 1;
+
local start = tonumber( new_args['start'] ) or 1
    local plain_flag = str._getBoolean( new_args['plain'] or false );
+
local plain_flag = str._getBoolean( new_args['plain'] or false )
    local pattern = new_args['pattern'] or '';
+
local pattern = new_args['pattern'] or ''
    local match_index = math.floor( tonumber(new_args['match']) or 1 );
+
local match_index = math.floor( tonumber(new_args['match']) or 1 )
    local nomatch = new_args['nomatch'];
+
local nomatch = new_args['nomatch']
   
+
 
    if s == '' then
+
return str._match( s, pattern, start, match_index, plain_flag, nomatch )
        return str._error( 'Target string is empty' );
  −
    end
  −
    if pattern == '' then
  −
        return str._error( 'Pattern string is empty' );
  −
    end
  −
    if math.abs(start) < 1 or math.abs(start) > mw.ustring.len( s ) then
  −
        return str._error( 'Requested start is out of range' );
  −
    end
  −
    if match_index == 0 then
  −
        return str._error( 'Match index is out of range' );
  −
    end
  −
    if plain_flag then
  −
        pattern = str._escapePattern( pattern );
  −
    end
  −
   
  −
    local result
  −
    if match_index == 1 then
  −
        -- Find first match is simple case
  −
        result = mw.ustring.match( s, pattern, start )
  −
    else
  −
        if start > 1 then
  −
            s = mw.ustring.sub( s, start );
  −
        end
  −
       
  −
        local iterator = mw.ustring.gmatch(s, pattern);
  −
        if match_index > 0 then
  −
            -- Forward search
  −
            for w in iterator do
  −
                match_index = match_index - 1;
  −
                if match_index == 0 then
  −
                    result = w;
  −
                    break;
  −
                end
  −
            end   
  −
        else
  −
            -- Reverse search
  −
            local result_table = {};
  −
            local count = 1;
  −
            for w in iterator do
  −
                result_table[count] = w;
  −
                count = count + 1;
  −
            end
  −
           
  −
            result = result_table[ count + match_index ];           
  −
        end
  −
    end       
  −
   
  −
    if result == nil then
  −
        if nomatch == nil then
  −
            return str._error( 'Match not found' );
  −
        else
  −
            return nomatch;
  −
        end
  −
    else
  −
        return result;
  −
    end
   
end
 
end
   سطر ۲۳۱: سطر ۲۳۷:     
If invoked using named parameters, Mediawiki will automatically remove any leading or
 
If invoked using named parameters, Mediawiki will automatically remove any leading or
trailing whitespace from the target string.  In some circumstances this is desirable, in  
+
trailing whitespace from the target string.  In some circumstances this is desirable, in
 
other cases one may want to preserve the whitespace.
 
other cases one may want to preserve the whitespace.
    
The first character has an index value of 1.
 
The first character has an index value of 1.
   −
If one requests a negative value, this function will select a character by counting backwards  
+
If one requests a negative value, this function will select a character by counting backwards
 
from the end of the string.  In other words pos = -1 is the same as asking for the last character.
 
from the end of the string.  In other words pos = -1 is the same as asking for the last character.
   سطر ۲۴۲: سطر ۲۴۸:  
]]
 
]]
 
function str.pos( frame )
 
function str.pos( frame )
    local new_args = str._getParameters( frame.args, {'target', 'pos'} );
+
local new_args = str._getParameters( frame.args, {'target', 'pos'} )
    local target_str = new_args['target'] or '';
+
local target_str = new_args['target'] or ''
    local pos = tonumber( new_args['pos'] ) or 0;
+
local pos = tonumber( new_args['pos'] ) or 0
 +
 
 +
if pos == 0 or math.abs(pos) > mw.ustring.len( target_str ) then
 +
return str._error( 'String index out of range' )
 +
end
   −
    if pos == 0 or math.abs(pos) > mw.ustring.len( target_str ) then
+
return mw.ustring.sub( target_str, pos, pos )
        return str._error( 'String index out of range' );
  −
    end   
  −
   
  −
    return mw.ustring.sub( target_str, pos, pos );
   
end
 
end
   سطر ۲۵۷: سطر ۲۶۳:     
This function duplicates the behavior of {{str_find}}, including all of its quirks.
 
This function duplicates the behavior of {{str_find}}, including all of its quirks.
This is provided in order to support existing templates, but is NOT RECOMMENDED for  
+
This is provided in order to support existing templates, but is NOT RECOMMENDED for
 
new code and templates.  New code is recommended to use the "find" function instead.
 
new code and templates.  New code is recommended to use the "find" function instead.
   سطر ۲۶۸: سطر ۲۷۴:  
]]
 
]]
 
function str.str_find( frame )
 
function str.str_find( frame )
    local new_args = str._getParameters( frame.args, {'source', 'target'} );
+
local new_args = str._getParameters( frame.args, {'source', 'target'} )
    local source_str = new_args['source'] or '';
+
local source_str = new_args['source'] or ''
    local target_str = new_args['target'] or '';
+
local target_str = new_args['target'] or ''
 +
 
 +
if target_str == '' then
 +
return 1
 +
end
 +
 
 +
local start = mw.ustring.find( source_str, target_str, 1, true )
 +
if start == nil then
 +
start = -1
 +
end
   −
    if target_str == '' then
+
return start
        return 1;
  −
    end   
  −
   
  −
    local start = mw.ustring.find( source_str, target_str, 1, true )
  −
    if start == nil then
  −
        start = -1
  −
    end
  −
   
  −
    return start
   
end
 
end
   سطر ۳۰۳: سطر ۳۰۹:     
If invoked using named parameters, Mediawiki will automatically remove any leading or
 
If invoked using named parameters, Mediawiki will automatically remove any leading or
trailing whitespace from the parameter.  In some circumstances this is desirable, in  
+
trailing whitespace from the parameter.  In some circumstances this is desirable, in
 
other cases one may want to preserve the whitespace.
 
other cases one may want to preserve the whitespace.
   −
This function returns the first index >= "start" where "target" can be found  
+
This function returns the first index >= "start" where "target" can be found
within "source".  Indices are 1-based.  If "target" is not found, then this  
+
within "source".  Indices are 1-based.  If "target" is not found, then this
 
function returns 0.  If either "source" or "target" are missing / empty, this
 
function returns 0.  If either "source" or "target" are missing / empty, this
 
function also returns 0.
 
function also returns 0.
سطر ۳۱۴: سطر ۳۲۰:  
]]
 
]]
 
function str.find( frame )
 
function str.find( frame )
    local new_args = str._getParameters( frame.args, {'source', 'target', 'start', 'plain' } );
+
local new_args = str._getParameters( frame.args, {'source', 'target', 'start', 'plain' } )
    local source_str = new_args['source'] or '';
+
local source_str = new_args['source'] or ''
    local pattern = new_args['target'] or '';
+
local pattern = new_args['target'] or ''
    local start_pos = tonumber(new_args['start']) or 1;
+
local start_pos = tonumber(new_args['start']) or 1
    local plain = new_args['plain'] or true;
+
local plain = new_args['plain'] or true
       
  −
    if source_str == '' or pattern == '' then
  −
        return 0;
  −
    end   
  −
   
  −
    plain = str._getBoolean( plain );
     −
    local start = mw.ustring.find( source_str, pattern, start_pos, plain )
+
if source_str == '' or pattern == '' then
    if start == nil then
+
return 0
        start = 0
+
end
    end
+
 
   
+
plain = str._getBoolean( plain )
    return start
+
 
 +
local start = mw.ustring.find( source_str, pattern, start_pos, plain )
 +
if start == nil then
 +
start = 0
 +
end
 +
 
 +
return start
 
end
 
end
   سطر ۳۵۲: سطر ۳۵۸:  
     count: The number of occurences to replace, defaults to all.
 
     count: The number of occurences to replace, defaults to all.
 
     plain: Boolean flag indicating that pattern should be understood as plain
 
     plain: Boolean flag indicating that pattern should be understood as plain
         text and not as a Lua style regular expression, defaults to true  
+
         text and not as a Lua style regular expression, defaults to true
 
]]
 
]]
 
function str.replace( frame )
 
function str.replace( frame )
    local new_args = str._getParameters( frame.args, {'source', 'pattern', 'replace', 'count', 'plain' } );
+
local new_args = str._getParameters( frame.args, {'source', 'pattern', 'replace', 'count', 'plain' } )
    local source_str = new_args['source'] or '';
+
local source_str = new_args['source'] or ''
    local pattern = new_args['pattern'] or '';
+
local pattern = new_args['pattern'] or ''
    local replace = new_args['replace'] or '';
+
local replace = new_args['replace'] or ''
    local count = tonumber( new_args['count'] );
+
local count = tonumber( new_args['count'] )
    local plain = new_args['plain'] or true;
+
local plain = new_args['plain'] or true
       
+
 
    if source_str == '' or pattern == '' then
+
if source_str == '' or pattern == '' then
        return source_str;
+
return source_str
    end  
+
end
    plain = str._getBoolean( plain );
+
plain = str._getBoolean( plain )
 +
 
 +
if plain then
 +
pattern = str._escapePattern( pattern )
 +
replace = mw.ustring.gsub( replace, "%%", "%%%%" ) --Only need to escape replacement sequences.
 +
end
   −
    if plain then
+
local result
        pattern = str._escapePattern( pattern );
  −
        replace = mw.ustring.gsub( replace, "%%", "%%%%" ); --Only need to escape replacement sequences.
  −
    end
  −
   
  −
    local result;
     −
    if count ~= nil then
+
if count ~= nil then
        result = mw.ustring.gsub( source_str, pattern, replace, count );
+
result = mw.ustring.gsub( source_str, pattern, replace, count )
    else
+
else
        result = mw.ustring.gsub( source_str, pattern, replace );
+
result = mw.ustring.gsub( source_str, pattern, replace )
    end      
+
end
   −
    return result;
+
return result
 
end
 
end
   −
--[[  
+
--[[
 
     simple function to pipe string.rep to templates.
 
     simple function to pipe string.rep to templates.
 
]]
 
]]
 +
function str.rep( frame )
 +
local repetitions = tonumber( frame.args[2] )
 +
if not repetitions then
 +
return str._error( 'function rep expects a number as second parameter, received "' .. ( frame.args[2] or '' ) .. '"' )
 +
end
 +
return string.rep( frame.args[1] or '', repetitions )
 +
end
 +
 +
--[[
 +
escapePattern
 +
 +
This function escapes special characters from a Lua string pattern. See [1]
 +
for details on how patterns work.
 +
 +
[1] https://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#Patterns
 +
 +
Usage:
 +
{{#invoke:String|escapePattern|pattern_string}}
 +
 +
Parameters
 +
    pattern_string: The pattern string to escape.
 +
]]
 +
function str.escapePattern( frame )
 +
local pattern_str = frame.args[1]
 +
if not pattern_str then
 +
return str._error( 'No pattern string specified' )
 +
end
 +
local result = str._escapePattern( pattern_str )
 +
return result
 +
end
 +
 +
--[[
 +
count
 +
This function counts the number of occurrences of one string in another.
 +
]]
 +
function str.count(frame)
 +
local args = str._getParameters(frame.args, {'source', 'pattern', 'plain'})
 +
local source = args.source or ''
 +
local pattern = args.pattern or ''
 +
local plain = str._getBoolean(args.plain or true)
 +
if plain then
 +
pattern = str._escapePattern(pattern)
 +
end
 +
local _, count = mw.ustring.gsub(source, pattern, '')
 +
return count
 +
end
 +
 +
--[[
 +
endswith
 +
This function determines whether a string ends with another string.
 +
]]
 +
function str.endswith(frame)
 +
local args = str._getParameters(frame.args, {'source', 'pattern'})
 +
local source = args.source or ''
 +
local pattern = args.pattern or ''
 +
if pattern == '' then
 +
-- All strings end with the empty string.
 +
return "yes"
 +
end
 +
if mw.ustring.sub(source, -mw.ustring.len(pattern), -1) == pattern then
 +
return "yes"
 +
else
 +
return ""
 +
end
 +
end
 +
 +
--[[
 +
join
   −
function str.rep( frame )
+
Join all non empty arguments together; the first argument is the separator.
    local repetitions = tonumber( frame.args[2] )
+
Usage:
    if not repetitions then  
+
{{#invoke:String|join|sep|one|two|three}}
        return str._error( 'function rep expects a number as second parameter, received "' .. ( frame.args[2] or '' ) .. '"' )
+
]]
    end
+
function str.join(frame)
    return string.rep( frame.args[1] or '', repetitions )
+
local args = {}
 +
local sep
 +
for _, v in ipairs( frame.args ) do
 +
if sep then
 +
if v ~= '' then
 +
table.insert(args, v)
 +
end
 +
else
 +
sep = v
 +
end
 +
end
 +
return table.concat( args, sep or '' )
 
end
 
end
   سطر ۴۰۲: سطر ۴۸۷:  
]]
 
]]
 
function str._getParameters( frame_args, arg_list )
 
function str._getParameters( frame_args, arg_list )
    local new_args = {};
+
local new_args = {}
    local index = 1;
+
local index = 1
    local value;
+
local value
   
+
 
    for i,arg in ipairs( arg_list ) do
+
for _, arg in ipairs( arg_list ) do
        value = frame_args[arg]
+
value = frame_args[arg]
        if value == nil then
+
if value == nil then
            value = frame_args[index];
+
value = frame_args[index]
            index = index + 1;
+
index = index + 1
        end
+
end
        new_args[arg] = value;
+
new_args[arg] = value
    end
+
end
   
+
 
    return new_args;
+
return new_args
end      
+
end
    
--[[
 
--[[
سطر ۴۲۲: سطر ۵۰۷:  
]]
 
]]
 
function str._error( error_str )
 
function str._error( error_str )
    local frame = mw.getCurrentFrame();
+
local frame = mw.getCurrentFrame()
    local error_category = frame.args.error_category or 'خطاهای گزارش‌شده توسط پودمان String';
+
local error_category = frame.args.error_category or 'خطاهای گزارش‌شده توسط پودمان String'
    local ignore_errors = frame.args.ignore_errors or false;
+
local ignore_errors = frame.args.ignore_errors or false
    local no_category = frame.args.no_category or false;
+
local no_category = frame.args.no_category or false
   
+
 
    if str._getBoolean(ignore_errors) then
+
if str._getBoolean(ignore_errors) then
        return '';
+
return ''
    end
+
end
   
+
 
    local error_str = '<strong class="error">String Module Error: ' .. error_str .. '</strong>';
+
local error_str = '<strong class="error">String Module Error: ' .. error_str .. '</strong>'
    if error_category ~= '' and not str._getBoolean( no_category ) then
+
if error_category ~= '' and not str._getBoolean( no_category ) then
        error_str = '[[Category:' .. error_category .. ']]' .. error_str;
+
error_str = '[[Category:' .. error_category .. ']]' .. error_str
    end      
+
end
   
+
 
    return error_str;
+
return error_str
 
end
 
end
   سطر ۴۴۳: سطر ۵۲۸:  
]]
 
]]
 
function str._getBoolean( boolean_str )
 
function str._getBoolean( boolean_str )
    local boolean_value;
+
local boolean_value
   
+
 
    if type( boolean_str ) == 'string' then
+
if type( boolean_str ) == 'string' then
        boolean_str = boolean_str:lower();
+
boolean_str = boolean_str:lower()
        if boolean_str == 'false' or boolean_str == 'no' or boolean_str == '0'  
+
if boolean_str == 'false' or boolean_str == 'no' or boolean_str == '0'
                or boolean_str == '' then
+
or boolean_str == '' then
            boolean_value = false;
+
boolean_value = false
        else
+
else
            boolean_value = true;
+
boolean_value = true
        end  
+
end
    elseif type( boolean_str ) == 'boolean' then
+
elseif type( boolean_str ) == 'boolean' then
        boolean_value = boolean_str;
+
boolean_value = boolean_str
    else
+
else
        error( 'No boolean value found' );
+
error( 'No boolean value found' )
    end  
+
end
    return boolean_value
+
return boolean_value
 
end
 
end
    
--[[
 
--[[
Helper function that escapes all pattern characters so that they will be treated  
+
Helper function that escapes all pattern characters so that they will be treated
 
as plain text.
 
as plain text.
 
]]
 
]]
 
function str._escapePattern( pattern_str )
 
function str._escapePattern( pattern_str )
    return mw.ustring.gsub( pattern_str, "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" );
+
return mw.ustring.gsub( pattern_str, "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" )
 
end
 
end
    
return str
 
return str
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