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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <php.h>
#include "php_sourcehighlight.h"

#include <srchilite/sourcehighlight.h>
#include <iostream>
#include <sstream>

extern "C" {
static function_entry sourcehighlight_functions[] = {
    PHP_FE(sourcehighlight, NULL)
    {NULL, NULL, NULL}
};

zend_module_entry sourcehighlight_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
    STANDARD_MODULE_HEADER,
#endif
    PHP_SOURCEHIGHLIGHT_EXTNAME,
    sourcehighlight_functions,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
#if ZEND_MODULE_API_NO >= 20010901
    PHP_SOURCEHIGHLIGHT_VERSION,
#endif
    STANDARD_MODULE_PROPERTIES
};

#ifdef COMPILE_DL_SOURCEHIGHLIGHT
ZEND_GET_MODULE(sourcehighlight)
#endif
}

PHP_FUNCTION(sourcehighlight)
{
    char* text;
    int text_len;
    char* lang;
    int lang_len;
    char* outlang = "xhtml";
    int outlang_len = strlen(outlang);

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                "ss|s",
                &text, &text_len,
                &lang, &lang_len,
                &outlang, &outlang_len
                ) == FAILURE) {
        RETURN_STRING("parameter error", 1);
    }

    const std::string outputLang = std::string(outlang, outlang_len) + ".outlang";
    srchilite::SourceHighlight sourceHighlight(outputLang);

    const std::string inputLang = std::string(lang, lang_len) + ".lang";
    std::istringstream i(text);
    std::ostringstream o("");

    sourceHighlight.highlight(i, o, inputLang);

    const std::string result = o.str();
    char* cstr = (char*) emalloc(result.size()+1);
    strcpy((char*) cstr, result.c_str());

    RETURN_STRING(cstr, 0);
}