Mass renaming. Using 'component' instead of 'fragment'.

1 files changed, 96 insertions, 0 deletions

diff --git a/src/Components/ExpressionArray.php b/src/Components/ExpressionArray.php
new file mode 100644
index 0000000..d62f34c
--- /dev/null
+++ b/src/Components/ExpressionArray.php
@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * Parses a a list of fields delimited by a single comma.
+ *
+ * @package    SqlParser
+ * @subpackage Components
+ */
+namespace SqlParser\Components;
+
+use SqlParser\Component;
+use SqlParser\Parser;
+use SqlParser\Token;
+use SqlParser\TokensList;
+
+/**
+ * Parses a a list of fields delimited by a single comma.
+ *
+ * @category   Keywords
+ * @package    SqlParser
+ * @subpackage Components
+ * @author     Dan Ungureanu <udan1107@gmail.com>
+ * @license    http://opensource.org/licenses/GPL-2.0 GNU Public License
+ */
+class ExpressionArray extends Component
+{
+
+    /**
+     * @param Parser     $parser  The parser that serves as context.
+     * @param TokensList $list    The list of tokens that are being parsed.
+     * @param array      $options Parameters for parsing.
+     *
+     * @return Expression[]
+     */
+    public static function parse(Parser $parser, TokensList $list, array $options = array())
+    {
+        $ret = array();
+
+        $expr = null;
+
+        for (; $list->idx < $list->count; ++$list->idx) {
+            /**
+             * Token parsed at this moment.
+             * @var Token $token
+             */
+            $token = $list->tokens[$list->idx];
+
+            // End of statement.
+            if ($token->type === Token::TYPE_DELIMITER) {
+                break;
+            }
+
+            // Skipping whitespaces and comments.
+            if (($token->type === Token::TYPE_WHITESPACE) || ($token->type === Token::TYPE_COMMENT)) {
+                continue;
+            }
+
+            if (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_RESERVED)) {
+                // No keyword is expected.
+                break;
+            }
+
+            if (($token->type === Token::TYPE_OPERATOR) && ($token->value === ',')) {
+                $ret[] = $expr;
+            } else {
+                $expr = Expression::parse($parser, $list, $options);
+                if ($expr === null) {
+                    break;
+                }
+            }
+
+        }
+
+        // Last iteration was not processed.
+        if ($expr !== null) {
+            $ret[] = $expr;
+        }
+
+        --$list->idx;
+        return $ret;
+    }
+
+    /**
+     * @param Expression[] $component The component to be built.
+     *
+     * @return string
+     */
+    public static function build($component)
+    {
+        $ret = array();
+        foreach ($component as $frag) {
+            $ret[] = $frag::build($frag);
+        }
+        return implode($ret, ', ');
+    }
+}