示例#1
0
/**
 * SmartQuotes
 *
 * @param string $text
 *   Text to be parsed.
 * @param string $attr
 *   Value of the smart_quotes="" attribute.
 * @param string $ctx
 *   MT context object (unused).
 *
 * @return string
 *   $text with replacements.
 */
function SmartQuotes($text, $attr = NULL, $ctx = NULL)
{
    if ($attr == NULL) {
        global $_typogrify_smartypants_attr;
        $attr = $_typogrify_smartypants_attr;
    }
    // Should we educate ``backticks'' -style quotes?
    $do_backticks;
    if ($attr == 0) {
        // Do nothing;
        return $text;
    } elseif ($attr == 2) {
        // Smarten ``backticks'' -style quotes.
        $do_backticks = 1;
    } else {
        $do_backticks = 0;
    }
    // Special case to handle quotes at the very end of $text when preceded by
    // an HTML tag. Add a space to give the quote education algorithm a bit of
    // context, so that it can guess correctly that it's a closing quote:
    $add_extra_space = 0;
    if (preg_match("/>['\"]\\z/", $text)) {
        // Remember, so we can trim the extra space later.
        $add_extra_space = 1;
        $text .= " ";
    }
    $tokens = _TokenizeHTML($text);
    $result = '';
    // Keep track of when we're inside <pre> or <code> tags.
    $in_pre = 0;
    // This is a cheat, used to get some context
    // for one-character tokens that consist of
    // just a quote char. What we do is remember
    // the last character of the previous text
    // token, to use as context to curl single-
    // character quote tokens correctly.
    $prev_token_last_char = "";
    foreach ($tokens as $cur_token) {
        if ($cur_token[0] == "tag") {
            // Don't mess with quotes inside tags.
            $result .= $cur_token[1];
            if (preg_match(SMARTYPANTS_TAGS_TO_SKIP, $cur_token[1], $matches)) {
                $in_pre = isset($matches[1]) && $matches[1] == '/' ? 0 : 1;
            }
        } else {
            $t = $cur_token[1];
            // Remember last char of this token before processing.
            $last_char = mb_substr($t, -1);
            if (!$in_pre) {
                $t = ProcessEscapes($t);
                if ($do_backticks) {
                    $t = EducateBackticks($t);
                }
                if ($t == "'") {
                    // Special case: single-character ' token.
                    if (preg_match('/\\S/', $prev_token_last_char)) {
                        $t = "&#8217;";
                    } else {
                        $t = "&#8216;";
                    }
                } elseif ($t == '"') {
                    // Special case: single-character " token.
                    if (preg_match('/\\S/', $prev_token_last_char)) {
                        $t = "&#8221;";
                    } else {
                        $t = "&#8220;";
                    }
                } else {
                    // Normal case:
                    $t = EducateQuotes($t);
                }
            }
            $prev_token_last_char = $last_char;
            $result .= $t;
        }
    }
    if ($add_extra_space) {
        // Trim trailing space if we added one earlier.
        preg_replace('/ \\z/', '', $result);
    }
    return $result;
}
示例#2
0
function SmartQuotes($text, $attr = NULL, $ctx = NULL)
{
    global $smartypants_attr, $sp_tags_to_skip;
    # Paramaters:
    $text;
    # text to be parsed
    $attr;
    # value of the smart_quotes="" attribute
    $ctx;
    # MT context object (unused)
    if ($attr == NULL) {
        $attr = $smartypants_attr;
    }
    $do_backticks;
    # should we educate ``backticks'' -style quotes?
    if ($attr == 0) {
        # do nothing;
        return $text;
    } else {
        if ($attr == 2) {
            # smarten ``backticks'' -style quotes
            $do_backticks = 1;
        } else {
            $do_backticks = 0;
        }
    }
    # Special case to handle quotes at the very end of $text when preceded by
    # an HTML tag. Add a space to give the quote education algorithm a bit of
    # context, so that it can guess correctly that it's a closing quote:
    $add_extra_space = 0;
    if (preg_match("/>['\"]\\z/", $text)) {
        $add_extra_space = 1;
        # Remember, so we can trim the extra space later.
        $text .= " ";
    }
    $tokens = _TokenizeHTML($text);
    $result = '';
    $in_pre = 0;
    # Keep track of when we're inside <pre> or <code> tags
    $prev_token_last_char = "";
    # This is a cheat, used to get some context
    # for one-character tokens that consist of
    # just a quote char. What we do is remember
    # the last character of the previous text
    # token, to use as context to curl single-
    # character quote tokens correctly.
    foreach ($tokens as $cur_token) {
        if ($cur_token[0] == "tag") {
            # Don't mess with quotes inside tags
            $result .= $cur_token[1];
            if (preg_match("@{$sp_tags_to_skip}@", $cur_token[1], $matches)) {
                $in_pre = isset($matches[1]) && $matches[1] == '/' ? 0 : 1;
            }
        } else {
            $t = $cur_token[1];
            $last_char = substr($t, -1);
            # Remember last char of this token before processing.
            if (!$in_pre) {
                $t = ProcessEscapes($t);
                if ($do_backticks) {
                    $t = EducateBackticks($t);
                }
                if ($t == "'") {
                    # Special case: single-character ' token
                    if (preg_match('/\\S/', $prev_token_last_char)) {
                        $t = "&#8217;";
                    } else {
                        $t = "&#8216;";
                    }
                } else {
                    if ($t == '"') {
                        # Special case: single-character " token
                        if (preg_match('/\\S/', $prev_token_last_char)) {
                            $t = "&#8221;";
                        } else {
                            $t = "&#8220;";
                        }
                    } else {
                        # Normal case:
                        $t = EducateQuotes($t);
                    }
                }
            }
            $prev_token_last_char = $last_char;
            $result .= $t;
        }
    }
    if ($add_extra_space) {
        preg_replace('/ \\z/', '', $result);
        # Trim trailing space if we added one earlier.
    }
    return $result;
}
示例#3
0
function SmartyPants($text = '', $mode = DEFAULT_OPERATION_MODE)
{
    // quick return for empty string
    if ($text == '') {
        return '';
    }
    // default all commands to FALSE, then reset according to $mode
    $do_quotes = $do_backticks_double = $do_backticks_all = FALSE;
    $do_dashes = $do_oldschool_dashes = $do_inverted_oldschool_dashes = FALSE;
    $do_ellipses = $do_stupefy = $convert_quot = FALSE;
    // setting these flags introduces a layer of abstraction that turned out
    // to be unnecessary. Such is porting.
    if ($mode & DO_QUOTES) {
        $do_quotes = TRUE;
    }
    if ($mode & DO_BACKTICKS_DOUBLE) {
        $do_backticks_double = TRUE;
    }
    if ($mode & DO_BACKTICKS_ALL) {
        $do_backticks_all = TRUE;
    }
    if ($mode & DO_DASHES) {
        $do_dashes = TRUE;
    }
    if ($mode & DO_OLDSCHOOL_DASHES) {
        $do_oldschool_dashes = TRUE;
    }
    if ($mode & DO_INVERTED_OLDSCHOOL_DASHES) {
        $do_inverted_oldschool_dashes = TRUE;
    }
    if ($mode & DO_ELLIPSES) {
        $do_ellipses = TRUE;
    }
    if ($mode & DO_QUOT_CONV) {
        $convert_quot = TRUE;
    }
    // tokenize input string -- break it into HTML tags and the text between them.
    $tokens = array();
    _tokenize($text, $tokens);
    $result = '';
    $in_pre = FALSE;
    # Keep track of when we're inside <pre> or <code> tags.
    $prev_token_last_char = '';
    # This is a cheat, used to get some context
    # for one-character tokens that consist of
    # just a quote char. What we do is remember
    # the last character of the previous text
    # token, to use as context to curl single-
    # character quote tokens correctly.
    foreach ($tokens as $data) {
        if ($data['type'] == TOKENS_TYPE_TAG) {
            # Don't mess with quotes inside tags.
            $result .= $data['body'];
            // if the current tag contains text that should not be
            // modified, set $in_pre to TRUE
            if (preg_match(TAGS_TO_SKIP, $data['body'], $hits)) {
                $in_pre = $hits[1] == '' ? TRUE : FALSE;
            }
        } else {
            $t = $data['body'];
            $last_char = substr($t, -1);
            # Remember last char of this token before processing.
            if (!$in_pre) {
                $t = ProcessEscapes($t);
                if ($convert_quot) {
                    $t = str_replace('&quot;', '"', $t);
                }
                if ($do_dashes) {
                    $t = EducateDashes($t);
                } elseif ($do_oldschool_dashes) {
                    $t = EducateDashesOldSchool($t);
                } elseif ($do_inverted_oldschool_dashes) {
                    $t = EducateDashesOldSchoolInverted($t);
                }
                if ($do_ellipses) {
                    $t = EducateEllipses($t);
                }
                # Note: backticks need to be processed before quotes.
                if ($do_backticks_double || $do_backticks_all) {
                    $t = EducateBackticks($t);
                }
                if ($do_backticks_all) {
                    $t = EducateSingleBackticks($t);
                }
                if ($do_quotes) {
                    if ($t == "'") {
                        # Special case: single-character ' token
                        if (preg_match("/\\S/", $prev_token_last_char)) {
                            $t = "&#8217;";
                        } else {
                            $t = "&#8216;";
                        }
                    } elseif ($t == '"') {
                        # Special case: single-character " token
                        if (preg_match("/\\S/", $prev_token_last_char)) {
                            $t = "&#8221;";
                        } else {
                            $t = "&#8220;";
                        }
                    } else {
                        $t = EducateQuotes($t);
                    }
                }
                if ($do_stupefy) {
                    $t = StupefyEntities($t);
                }
            }
            $prev_token_last_char = $last_char;
            $result .= $t;
        }
    }
    return $result;
}