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503 bayt çıxarıldı ,  00:46, 25 fevral 2021
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Sətir 1: Sətir 1: −
--[[
+
--[[
    
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:Errors reported by Module String].
 
         [Category:Errors reported by Module 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.
 
]]
 
]]
    
local str = {}
 
local str = {}
  −
--[[
  −
subcount
  −
  −
This function returns the count of substring in source string.
  −
  −
Usage:
  −
{{#invoke:String|subcount|source_string|substring|plain_flag}}
  −
OR
  −
{{#invoke:String|subcount|s=source_string|pattern=substring|plain=plain_flag}}
  −
  −
Parameters
  −
    s: The string to search
  −
    pattern: The pattern or string to find within the string
  −
    plain: A flag indicating that the substring should be understood as plain
  −
        text. Defaults to true.
  −
  −
If invoked using named parameters, Mediawiki will automatically remove any leading or
  −
trailing whitespace from the target string. 
  −
]]
  −
function str.subcount( frame )
  −
    local new_args = str._getParameters( frame.args, {'s', 'pattern', 'plain'} );
  −
    local s = new_args['s'] or '';
  −
    local plain_flag = str._getBoolean( new_args['plain'] or true );
  −
    local pattern = new_args['pattern'] or '';
  −
    if s == '' or pattern == '' then
  −
    return 0;
  −
    end
  −
   
  −
    if plain_flag then
  −
        pattern = str._escapePattern( pattern );
  −
    end
  −
   
  −
    local _, count = mw.ustring.gsub(s, pattern, "")
  −
    return count;
  −
end
      
--[[
 
--[[
Sətir 75: Sətir 39:     
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
   Sətir 97: Sətir 61:  
     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( 'Значение индекса подстроки выходит за допустимые границы' );
  −
    end
  −
    if j < i then
  −
        return str._error( 'Неверный порядок индексов подстроки' );
  −
    end
  −
   
  −
    return mw.ustring.sub( s, i, j )
   
end
 
end
   Sətir 137: Sətir 101:  
]]
 
]]
 
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
 +
 
 +
--[[
 +
_match
 +
 
 +
This function returns a substring from the source string that matches a
 +
specified pattern. It is exported for use in other modules
 +
 
 +
Usage:
 +
strmatch = require("Module:String")._match
 +
sresult = strmatch( s, pattern, start, match, plain, nomatch )
 +
 
 +
Parameters
 +
    s: The string to search
 +
    pattern: The pattern or string to find within the string
 +
    start: The index within the source string to start the search.  The first
 +
        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
 +
        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
 +
        counting from the last match.  Hence match = -1 is the same as requesting
 +
        the last match.  Defaults to 1.
 +
    plain: A flag indicating that the pattern should be understood as plain
 +
        text.  Defaults to false.
 +
    nomatch: If no match is found, output the "nomatch" value rather than an error.
 +
 
 +
For information on constructing Lua patterns, a form of [regular expression], see:
 +
 
 +
* http://www.lua.org/manual/5.1/manual.html#5.4.1
 +
* http://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#Patterns
 +
* http://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#Ustring_patterns
 +
 
 +
]]
 +
-- 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
 
end
   Sətir 145: Sətir 202:  
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.
   Sətir 151: Sətir 208:  
{{#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}}
   Sətir 159: Sətir 216:  
     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.
Sətir 169: Sətir 226:     
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.
   Sətir 184: Sətir 241:     
]]
 
]]
 +
-- 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( 'Пустая строка поиска' );
  −
    end
  −
    if pattern == '' then
  −
        return str._error( 'Пустой шаблон поиска' );
  −
    end
  −
    if math.abs(start) < 1 or math.abs(start) > mw.ustring.len( s ) then
  −
        return str._error( 'Индекс начала поиска выходит за допустимые границы' );
  −
    end
  −
    if match_index == 0 then
  −
        return str._error( 'Индекс совпадения выходит за допустимые границы' );
  −
    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( 'Совпадение не найдено' );
  −
        else
  −
            return nomatch;
  −
        end
  −
    else
  −
        return result;
  −
    end
   
end
 
end
   Sətir 267: Sətir 269:     
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.
   Sətir 278: Sətir 280:  
]]
 
]]
 
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
+
if pos == 0 or math.abs(pos) > mw.ustring.len( target_str ) then
        return str._error( 'Значение индекса строки выходит за допустимые границы' );
+
return str._error( 'String index out of range' )
    end  
+
end
   
+
 
    return mw.ustring.sub( target_str, pos, pos );
+
return mw.ustring.sub( target_str, pos, pos )
 
end
 
end
   Sətir 293: Sətir 295:     
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.
   Sətir 304: Sətir 306:  
]]
 
]]
 
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
   Sətir 339: Sətir 341:     
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.
Sətir 350: Sətir 352:  
]]
 
]]
 
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
+
if source_str == '' or pattern == '' then
        return 0;
+
return 0
    end  
+
end
   
+
 
    plain = str._getBoolean( plain );
+
plain = str._getBoolean( plain )
 +
 
 +
local start = mw.ustring.find( source_str, pattern, start_pos, plain )
 +
if start == nil then
 +
start = 0
 +
end
   −
    local start = mw.ustring.find( source_str, pattern, start_pos, plain )
+
return start
    if start == nil then
  −
        start = 0
  −
    end
  −
   
  −
    return start
   
end
 
end
   Sətir 388: Sətir 390:  
     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
  −
        return source_str;
  −
    end   
  −
    plain = str._getBoolean( plain );
     −
    if plain then
+
if source_str == '' or pattern == '' then
        pattern = str._escapePattern( pattern );
+
return source_str
        replace = mw.ustring.gsub( replace, "%%", "%%%%" ); --Only need to escape replacement sequences.
+
end
    end
+
plain = str._getBoolean( plain )
   
  −
    local result;
     −
    if count ~= nil then
+
if plain then
        result = mw.ustring.gsub( source_str, pattern, replace, count );
+
pattern = str._escapePattern( pattern )
    else
+
replace = mw.ustring.gsub( replace, "%%", "%%%%" ) --Only need to escape replacement sequences.
        result = mw.ustring.gsub( source_str, pattern, replace );
+
end
    end      
     −
    return result;
+
local result
 +
 
 +
if count ~= nil then
 +
result = mw.ustring.gsub( source_str, pattern, replace, count )
 +
else
 +
result = mw.ustring.gsub( source_str, pattern, replace )
 +
end
 +
 
 +
return result
 
end
 
end
    
--[[
 
--[[
This function adds support for escaping parts of the patterns when using [plain=false].
+
    simple function to pipe string.rep to templates.
 
]]
 
]]
function str.escape( frame )
+
function str.rep( frame )
local new_args = str._getParameters( frame.args, {'pattern' } );
+
local repetitions = tonumber( frame.args[2] )
local pattern = new_args['pattern'] or '';
+
if not repetitions then
+
return str._error( 'function rep expects a number as second parameter, received "' .. ( frame.args[2] or '' ) .. '"' )
local result = '';
+
end
result = str._escapePattern( pattern );
+
return string.rep( frame.args[1] or '', repetitions )
return result;
   
end
 
end
    
--[[
 
--[[
  Internal compare string function
+
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._strcmp(a , b)
+
function str.escapePattern( frame )
    local s1c = mw.ustring.gcodepoint( a );
+
local pattern_str = frame.args[1]
    local s2c = mw.ustring.gcodepoint( b );
+
if not pattern_str then
    while true do
+
return str._error( 'No pattern string specified' )
        local c1 = s1c();
+
end
        local c2 = s2c();
+
local result = str._escapePattern( pattern_str )
        if c1 == nil then
+
return result
            if c2 == nil then
  −
                return 0
  −
            else
  −
                return -1
  −
            end
  −
        else
  −
            if c2 ~= nil then
  −
                if c1 ~= c2 then
  −
                  return c1 < c2 and -1 or 1
  −
              end
  −
            else
  −
                return 1
  −
            end
  −
        end
  −
    end
  −
    return 0
   
end
 
end
+
 
 
--[[
 
--[[
compare
+
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
   −
This function compare two UTF-8 strings
+
--[[
 
+
endswith
Usage:
+
This function determines whether a string ends with another string.
{{#invoke:String|compare|str1|str2}}
  −
 
  −
Returns:
  −
0 - if strings are equal
  −
1 - if st1 > str2
  −
-1 - if str1 < str2
   
]]
 
]]
function str.compare(frame)
+
function str.endswith(frame)
    local str1 = frame.args[1] or '';
+
local args = str._getParameters(frame.args, {'source', 'pattern'})
    local str2 = frame.args[2] or '';
+
local source = args.source or ''
    return str._strcmp(str1 , str2)
+
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
 
end
   −
--[[  
+
--[[
    simple function to pipe string.rep to templates.
+
join
 +
 
 +
Join all non empty arguments together; the first argument is the separator.
 +
Usage:
 +
{{#invoke:String|join|sep|one|two|three}}
 
]]
 
]]
+
function str.join(frame)
function str.rep( frame )
+
local args = {}
    local repetitions = tonumber( frame.args[2] )
+
local sep
    if not repetitions then  
+
for _, v in ipairs( frame.args ) do
        return str._error( 'функция rep ожидает число  во втором параметре, а получено "' .. ( frame.args[2] or '' ) .. '"' )
+
if sep then
    end
+
if v ~= '' then
    return string.rep( frame.args[1] or '', repetitions )
+
table.insert(args, v)
 +
end
 +
else
 +
sep = v
 +
end
 +
end
 +
return table.concat( args, sep or '' )
 
end
 
end
   Sətir 497: Sətir 519:  
]]
 
]]
 
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
    
--[[
 
--[[
Sətir 517: Sətir 539:  
]]
 
]]
 
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 'Страницы с ошибками модуля String';
+
local error_category = frame.args.error_category or 'Errors reported by Module 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">Ошибка модуля String: ' .. 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 = '[[Категория:' .. error_category .. ']]' .. error_str;
+
error_str = '[[Category:' .. error_category .. ']]' .. error_str
    end      
+
end
   
+
 
    return error_str;
+
return error_str
 
end
 
end
   Sətir 538: Sətir 560:  
]]
 
]]
 
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( 'Логическое значение не найдено' );
+
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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