summaryrefslogtreecommitdiff
path: root/lib/smarty/sysplugins/smarty_internal_compile_block.php
blob: 8ff15d8e5bc7b0b3dabf57da3455b0b5ffb3e718 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
<?php
/**
 * This file is part of Smarty.
 *
 * (c) 2015 Uwe Tews
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Smarty Internal Plugin Compile Block Class
 *
 * @author Uwe Tews <uwe.tews@googlemail.com>
 */
class Smarty_Internal_Compile_Block extends Smarty_Internal_Compile_Shared_Inheritance
{
    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $required_attributes = array('name');

    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $shorttag_order = array('name');

    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $option_flags = array('hide', 'nocache');

    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $optional_attributes = array('assign');

    /**
     * Compiles code for the {block} tag
     *
     * @param array                                 $args      array with attributes from parser
     * @param \Smarty_Internal_TemplateCompilerBase $compiler  compiler object
     * @param array                                 $parameter array with compilation parameter
     */
    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
    {
        if (!isset($compiler->_cache[ 'blockNesting' ])) {
            $compiler->_cache[ 'blockNesting' ] = 0;
        }
        if ($compiler->_cache[ 'blockNesting' ] === 0) {
            // make sure that inheritance gets initialized in template code
            $this->registerInit($compiler);
            $this->option_flags = array('hide', 'nocache', 'append', 'prepend');
        } else {
            $this->option_flags = array('hide', 'nocache');
        }
        // check and get attributes
        $_attr = $this->getAttributes($compiler, $args);
        ++$compiler->_cache[ 'blockNesting' ];
        $_className = 'Block_' . preg_replace('![^\w]+!', '_', uniqid(mt_rand(), true));
        $compiler->_cache[ 'blockName' ][ $compiler->_cache[ 'blockNesting' ] ] = $_attr[ 'name' ];
        $compiler->_cache[ 'blockClass' ][ $compiler->_cache[ 'blockNesting' ] ] = $_className;
        $compiler->_cache[ 'blockParams' ][ $compiler->_cache[ 'blockNesting' ] ] = array();
        $compiler->_cache[ 'blockParams' ][ 1 ][ 'subBlocks' ][ trim($_attr[ 'name' ], '"\'') ][] = $_className;
        $this->openTag(
            $compiler,
            'block',
            array(
                $_attr, $compiler->nocache, $compiler->parser->current_buffer,
                $compiler->template->compiled->has_nocache_code,
                $compiler->template->caching
            )
        );
        $compiler->saveRequiredPlugins(true);
        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
        $compiler->template->compiled->has_nocache_code = false;
        $compiler->suppressNocacheProcessing = true;
    }
}

/**
 * Smarty Internal Plugin Compile BlockClose Class
 */
class Smarty_Internal_Compile_Blockclose extends Smarty_Internal_Compile_Shared_Inheritance
{
    /**
     * Compiles code for the {/block} tag
     *
     * @param array                                 $args      array with attributes from parser
     * @param \Smarty_Internal_TemplateCompilerBase $compiler  compiler object
     * @param array                                 $parameter array with compilation parameter
     *
     * @return bool true
     */
    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
    {
        list($_attr, $_nocache, $_buffer, $_has_nocache_code, $_caching) = $this->closeTag($compiler, array('block'));
        // init block parameter
        $_block = $compiler->_cache[ 'blockParams' ][ $compiler->_cache[ 'blockNesting' ] ];
        unset($compiler->_cache[ 'blockParams' ][ $compiler->_cache[ 'blockNesting' ] ]);
        $_name = $_attr[ 'name' ];
        $_assign = isset($_attr[ 'assign' ]) ? $_attr[ 'assign' ] : null;
        unset($_attr[ 'assign' ], $_attr[ 'name' ]);
        foreach ($_attr as $name => $stat) {
            if ((is_bool($stat) && $stat !== false) || (!is_bool($stat) && $stat !== 'false')) {
                $_block[ $name ] = 'true';
            }
        }
        $_className = $compiler->_cache[ 'blockClass' ][ $compiler->_cache[ 'blockNesting' ] ];
        // get compiled block code
        $_functionCode = $compiler->parser->current_buffer;
        // setup buffer for template function code
        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
        $output = "<?php\n";
        $output .= "/* {block {$_name}} */\n";
        $output .= "class {$_className} extends Smarty_Internal_Block\n";
        $output .= "{\n";
        foreach ($_block as $property => $value) {
            $output .= "public \${$property} = " . var_export($value, true) . ";\n";
        }
        $output .= "public function callBlock(Smarty_Internal_Template \$_smarty_tpl) {\n";
        $output .= $compiler->compileRequiredPlugins();
        $compiler->restoreRequiredPlugins();
        if ($compiler->template->compiled->has_nocache_code) {
            $output .= "\$_smarty_tpl->cached->hashes['{$compiler->template->compiled->nocache_hash}'] = true;\n";
        }
        if (isset($_assign)) {
            $output .= "ob_start();\n";
        }
        $output .= "?>\n";
        $compiler->parser->current_buffer->append_subtree(
            $compiler->parser,
            new Smarty_Internal_ParseTree_Tag(
                $compiler->parser,
                $output
            )
        );
        $compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
        $output = "<?php\n";
        if (isset($_assign)) {
            $output .= "\$_smarty_tpl->assign({$_assign}, ob_get_clean());\n";
        }
        $output .= "}\n";
        $output .= "}\n";
        $output .= "/* {/block {$_name}} */\n\n";
        $output .= "?>\n";
        $compiler->parser->current_buffer->append_subtree(
            $compiler->parser,
            new Smarty_Internal_ParseTree_Tag(
                $compiler->parser,
                $output
            )
        );
        $compiler->blockOrFunctionCode .= $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
        // restore old status
        $compiler->template->compiled->has_nocache_code = $_has_nocache_code;
        $compiler->tag_nocache = $compiler->nocache;
        $compiler->nocache = $_nocache;
        $compiler->parser->current_buffer = $_buffer;
        $output = "<?php \n";
        if ($compiler->_cache[ 'blockNesting' ] === 1) {
            $output .= "\$_smarty_tpl->inheritance->instanceBlock(\$_smarty_tpl, '$_className', $_name);\n";
        } else {
            $output .= "\$_smarty_tpl->inheritance->instanceBlock(\$_smarty_tpl, '$_className', $_name, \$this->tplIndex);\n";
        }
        $output .= "?>\n";
        --$compiler->_cache[ 'blockNesting' ];
        if ($compiler->_cache[ 'blockNesting' ] === 0) {
            unset($compiler->_cache[ 'blockNesting' ]);
        }
        $compiler->has_code = true;
        $compiler->suppressNocacheProcessing = true;
        return $output;
    }
}