mirror of
https://github.com/google/blockly.git
synced 2026-01-06 00:20:37 +01:00
starting php support addition
This commit is contained in:
daarond
247
generators/php/text.js
Normal file
247
generators/php/text.js
Normal file
@@ -0,0 +1,247 @@
|
||||
/**
|
||||
* @license
|
||||
* Visual Blocks Language
|
||||
*
|
||||
* Copyright 2012 Google Inc.
|
||||
* https://developers.google.com/blockly/
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @fileoverview Generating PHP for text blocks.
|
||||
* @author daarond@gmail.com (Daaron Dwyer)
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
goog.provide('Blockly.PHP.texts');
|
||||
|
||||
goog.require('Blockly.PHP');
|
||||
|
||||
|
||||
Blockly.PHP['text'] = function(block) {
|
||||
// Text value.
|
||||
var code = Blockly.PHP.quote_(block.getFieldValue('TEXT'));
|
||||
return [code, Blockly.PHP.ORDER_ATOMIC];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_join'] = function(block) {
|
||||
// Create a string made up of any number of elements of any type.
|
||||
var code;
|
||||
if (block.itemCount_ == 0) {
|
||||
return ['\'\'', Blockly.PHP.ORDER_ATOMIC];
|
||||
} else if (block.itemCount_ == 1) {
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'ADD0',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
code = argument0;
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
} else if (block.itemCount_ == 2) {
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'ADD0',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
var argument1 = Blockly.PHP.valueToCode(block, 'ADD1',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
code = argument0 + ' . ' + argument1;
|
||||
return [code, Blockly.PHP.ORDER_ADDITION];
|
||||
} else {
|
||||
code = new Array(block.itemCount_);
|
||||
for (var n = 0; n < block.itemCount_; n++) {
|
||||
code[n] = Blockly.PHP.valueToCode(block, 'ADD' + n,
|
||||
Blockly.PHP.ORDER_COMMA) || '\'\'';
|
||||
}
|
||||
code = 'implode(\',\'' + code.join(',') + ')';
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
}
|
||||
};
|
||||
|
||||
Blockly.PHP['text_append'] = function(block) {
|
||||
// Append to a variable in place.
|
||||
var varName = Blockly.PHP.variableDB_.getName(
|
||||
block.getFieldValue('VAR'), Blockly.Variables.NAME_TYPE);
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
return varName + ' = ' + varName + ' . ' + argument0 + ';\n';
|
||||
};
|
||||
|
||||
Blockly.PHP['text_length'] = function(block) {
|
||||
// String length.
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
|
||||
Blockly.PHP.ORDER_FUNCTION_CALL) || '\'\'';
|
||||
return ['strlen(' + argument0 + ')', Blockly.PHP.ORDER_MEMBER];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_isEmpty'] = function(block) {
|
||||
// Is the string null?
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
return ['empty(' + argument0 + ')', Blockly.PHP.ORDER_LOGICAL_NOT];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_indexOf'] = function(block) {
|
||||
// Search the text for a substring.
|
||||
var operator = block.getFieldValue('END') == 'FIRST' ?
|
||||
'strpos' : 'strrpos';
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'FIND',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
var argument1 = Blockly.PHP.valueToCode(block, 'VALUE',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
var code = operator + '(' + argument0 + ', ' + argument1 + ') + 1';
|
||||
return [code, Blockly.PHP.ORDER_MEMBER];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_charAt'] = function(block) {
|
||||
// Get letter at index.
|
||||
var where = block.getFieldValue('WHERE') || 'FROM_START';
|
||||
var at = Blockly.PHP.valueToCode(block, 'AT',
|
||||
Blockly.PHP.ORDER_UNARY_NEGATION) || '1';
|
||||
var text = Blockly.PHP.valueToCode(block, 'VALUE',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
switch (where) {
|
||||
case 'FIRST':
|
||||
var code = text + '[0]';
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
case 'LAST':
|
||||
var code = 'substr(' + text + ',-1,1)';
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
case 'FROM_START':
|
||||
// Blockly uses one-based indicies.
|
||||
if (Blockly.isNumber(at)) {
|
||||
// If the index is a naked number, decrement it right now.
|
||||
at = parseFloat(at) - 1;
|
||||
} else {
|
||||
// If the index is dynamic, decrement it in code.
|
||||
at += ' - 1';
|
||||
}
|
||||
var code = 'substr(' + text + ', ' + at + ', 1)';
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
case 'FROM_END':
|
||||
var code = 'substr(' + text + ', -' + at + ', 1)';
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
case 'RANDOM':
|
||||
var functionName = Blockly.PHP.provideFunction_(
|
||||
'text_random_letter',
|
||||
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
|
||||
'($text) {',
|
||||
' return $text[rand(0, strlen($text)-1)];',
|
||||
'}']);
|
||||
code = functionName + '(' + text + ')';
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
}
|
||||
throw 'Unhandled option (text_charAt).';
|
||||
};
|
||||
|
||||
Blockly.PHP['text_getSubstring'] = function(block) {
|
||||
// Get substring.
|
||||
var text = Blockly.PHP.valueToCode(block, 'STRING',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
var where1 = block.getFieldValue('WHERE1');
|
||||
var where2 = block.getFieldValue('WHERE2');
|
||||
var at1 = Blockly.PHP.valueToCode(block, 'AT1',
|
||||
Blockly.PHP.ORDER_NONE) || '1';
|
||||
var at2 = Blockly.PHP.valueToCode(block, 'AT2',
|
||||
Blockly.PHP.ORDER_NONE) || '1';
|
||||
if (where1 == 'FIRST' && where2 == 'LAST') {
|
||||
var code = text;
|
||||
} else {
|
||||
var functionName = Blockly.PHP.provideFunction_(
|
||||
'text_get_substring',
|
||||
[ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
|
||||
'($text, $where1, $at1, $where2, $at2) {',
|
||||
' if ($where1 == \'FROM_START\') {',
|
||||
' $at1--;',
|
||||
' } else if ($where1 == \'FROM_END\') {',
|
||||
' $at1 = strlen($text) - $at;',
|
||||
' } else if ($where1 == \'FIRST\') {',
|
||||
' $at1 = 0;',
|
||||
' } else if (where1 == \'LAST\') {',
|
||||
' $at1 = strlen($text) - 1;',
|
||||
' } else { $at1 = 0; }',
|
||||
' if ($where2 == \'FROM_START\') {',
|
||||
' $at2--;',
|
||||
' } else if ($where2 == \'FROM_END\') {',
|
||||
' $at2 = strlen($text) - $at;',
|
||||
' } else if ($where2 == \'FIRST\') {',
|
||||
' $at2 = 0;',
|
||||
' } else if (where2 == \'LAST\') {',
|
||||
' $at2 = strlen($text) - 1;',
|
||||
' } else { $at2 = 0; }',
|
||||
' $at1 = getAt($where1, $at1);',
|
||||
' $at2 = getAt($where2, $at2) + 1;',
|
||||
' return substr($text, $at1, $at2);',
|
||||
'}']);
|
||||
var code = functionName + '(' + text + ', \'' +
|
||||
where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
|
||||
}
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_changeCase'] = function(block) {
|
||||
// Change capitalization.
|
||||
var code;
|
||||
if (block.getFieldValue('CASE')=='UPPERCASE') {
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
code = 'strtoupper(' + argument0 + ')';
|
||||
} else if (block.getFieldValue('CASE')=='LOWERCASE') {
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
code = 'strtolower(' + argument0 + ')';
|
||||
} else if (block.getFieldValue('CASE')=='TITLECASE') {
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
code = 'ucwords(' + argument0 + ')';
|
||||
}
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_trim'] = function(block) {
|
||||
// Trim spaces.
|
||||
var OPERATORS = {
|
||||
'LEFT': 'ltrim',
|
||||
'RIGHT': 'rtrim',
|
||||
'BOTH': 'trim'
|
||||
};
|
||||
var operator = OPERATORS[block.getFieldValue('MODE')];
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_MEMBER) || '\'\'';
|
||||
return [ operator + '(' + argument0 + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_print'] = function(block) {
|
||||
// Print statement.
|
||||
var argument0 = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
return 'print(' + argument0 + ');\n';
|
||||
};
|
||||
|
||||
Blockly.PHP['text_prompt'] = function(block) {
|
||||
// Prompt function (internal message).
|
||||
var msg = Blockly.PHP.quote_(block.getFieldValue('TEXT'));
|
||||
var code = 'readline(' + msg + ')';
|
||||
var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
|
||||
if (toNumber) {
|
||||
code = 'floatval(' + code + ')';
|
||||
}
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
};
|
||||
|
||||
Blockly.PHP['text_prompt_ext'] = function(block) {
|
||||
// Prompt function (external message).
|
||||
var msg = Blockly.PHP.valueToCode(block, 'TEXT',
|
||||
Blockly.PHP.ORDER_NONE) || '\'\'';
|
||||
var code = 'readline(' + msg + ')';
|
||||
var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
|
||||
if (toNumber) {
|
||||
code = 'floatval(' + code + ')';
|
||||
}
|
||||
return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
|
||||
};
|
||||
Reference in New Issue
Block a user