from mode import Fundamental
from lex import Grammar, PatternRule, RegionRule
from mode.python import StringGrammar

class PHPGrammar(Grammar):
    rules = [
        #PatternRule(r'import', r'(?<=import ) *[a-zA-Z0-9_.*]+'),
        #PatternRule(r'package', r'(?<=package ) *[a-zA-Z0-9_.*]+'),

        RegionRule(r'comment', r'/\*', Grammar, '\*/'),
        PatternRule(r'comment', r'//.*$'),
        PatternRule(r'comment', r'#.*$'),

        PatternRule(r'php_builtin_vars', r'GATEWAY_INTERFACE|SERVER_NAME|SERVER_SOFTWARE|SERVER_PROTOCOL|REQUEST_METHOD|QUERY_STRIN|G|DOCUMENT_ROOT|HTTP_ACCEPT|HTTP_ACCEPT_CHARSET|HTTP_ENCODING|HTTP_ACCEPT_LANGUAGE|HTTP_CONNECTION|HTTP_HOST|HTTP_REFERER|HTTP_USER_AGENT|REMOTE_ADDR|REMOTE_PORT|SCRIPT_FILENAME|SERVER_ADMIN|SERVER_PORT|SERVER_SIGNATURE|PATH_TRANSLATED|SCRIPT_NAME|REQUEST_URI'),
        PatternRule(r'php_builtin_vars', r'GLOBALS|PHP_ERRMSG|PHP_SELF|HTTP_GET_VARS|HTTP_POST_VARS|HTTP_COOKIE_VARS|HTTP_POST_FILES|HTTP_ENV_VARS|HTTP_SERVER_VARS|HTTP_SESSION_VARS|HTTP_RAW_POST_DATA|HTTP_STATE_VARS|_GET|_POST|_COOKIE|_FILES|_SERVER|_ENV|_SERVER|_REQUEST|_SESSION'),

        PatternRule(r'php_constants', r'__LINE__|__FILE__|__FUNCTION__|__METHOD__|__CLASS__'),
        PatternRule(r'php_constants', r'PHP_VERSION|PHP_OS|DEFAULT_INCLUDE_PATH|PEAR_INSTALL_DIR|PEAR_EXTENSION_DIR|PHP_EXTENSION_DIR|PHP_BINDIR|PHP_LIBDIR|PHP_DATADIR|PHP_SYSCONFDIR|PHP_LOCALSTATEDIR|PHP_CONFIG_FILE_PATH|PHP_OUTPUT_HANDLER_START|PHP_OUTPUT_HANDLER_CONT|PHP_OUTPUT_HANDLER_END|E_ERROR|E_WARNING|E_PARSE|E_NOTICE|E_CORE_ERROR|E_CORE_WARNING|E_COMPILE_ERROR|E_COMPILE_WARNING|E_USER_ERROR|E_USER_WARNING|E_USER_NOTICE|E_ALL'),

        PatternRule(r'keyword', r"(?:abstract|assert|boolean|break|byte|case|catch|char|class|continue|default|double|do|else|extends|finally|final|float|for|if|implements|import|instanceof|interface|int|long|native|new|package|private|protected|public|return|short|static|switch|super|synchronized|threadsafe|throws|throw|transient|try|void|while)(?![a-zA-Z_])"),
        PatternRule(r'php_label', r'[a-zA-Z_][a-zA-Z0-9_]*(?=:)'),

        PatternRule(r'php_builtin', r"(?:null|true|false|this)"),
        PatternRule(r'identifier', r"[a-zA-Z_][a-zA-Z0-9_]*"),
        PatternRule(r"unop", r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
        PatternRule(r'binop', r"\+|<>|<<|<=|<|-|>>|>=|>|\*\*|&|\*|\||/|\^|==|//|~|!=|%"),

        PatternRule(r"delimiter", r"->|\.|\(|\)|\[|\]|{|}|@|,|:|`|;|=|\?"),

        PatternRule(r"php_integer", r"(?:0(?![x0-9])|[1-9][0-9]*|0[0-7]+|0[xX][0-9a-fA-F]+)[lL]?"),
        PatternRule(r"php_float", r"[0-9]+\.[0-9]*|\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+"),
        RegionRule(r'string', '"', StringGrammar, '"'),
        PatternRule(r'php_char', r"'.'|'\\.'|'\\[0-7]{3}'"),
        PatternRule(r"eol", r"\n$"),
    ]

class PHP(Fundamental):
    name        = 'PHP'
    extensions  = ['.php']
    #tabbercls  = JavaTabber
    grammar     = PHPGrammar
    commentc    = '#'
    opentokens  = ('delimiter',)
    opentags    = {'(': ')', '[': ']', '{': '}'}
    closetokens = ('delimiter',)
    closetags   = {')': '(', ']': '[', '}': '{'}
    colors      = {
        'doccomment.start': ('red', 'default', 'bold'),
        'doccomment.end':   ('red', 'default', 'bold'),
        'doccomment.null':  ('red', 'default', 'bold'),
        'import':           ('blue', 'default', 'bold'),
        'php_label':        ('magenta', 'default', 'bold'),
        'php_builtin':      ('magenta', 'default', 'bold'),
        'php_char':         ('green', 'default', 'bold'),
        'php_integer':      ('green', 'default', 'bold'),
        'php_float':        ('green', 'default', 'bold'),
    }
    _bindings = {
        'close-paren':   (')',),
        'close-brace':   ('}',),
        'close-bracket': (']',),
    }
    def __init__(self, w):
        Fundamental.__init__(self, w)
        self.add_bindings('close-paren', (')',))
        self.add_bindings('close-brace', ('}',))
        self.add_bindings('close-bracket', (']',))

install = PHP.install