/*
 * util.cc
 * Copyright (C) 2016 romgrk <romgrk@Romgrk-ARCH>
 *
 * Distributed under terms of the MIT license.
 */

#include <node.h>
#include <nan.h>
#include <girepository.h>
#include <glib-object.h>

#include "util.h"
#include "macros.h"

using v8::Local;
using v8::Value;
using v8::Object;
using v8::String;

namespace Util {

const char* ArrayTypeToString (GIArrayType array_type) {
    switch (array_type) {
    case GI_ARRAY_TYPE_C:
        return "C-array";
    case GI_ARRAY_TYPE_ARRAY:
        return "GArray";
    case GI_ARRAY_TYPE_PTR_ARRAY:
        return "GPtrArray";
    case GI_ARRAY_TYPE_BYTE_ARRAY:
        return "GByteArray";
    }
    g_assert_not_reached();
}

char* GetSignalName(const char* signal_detail) {
    char* signal_name;
    char* detail_start;
    if ((detail_start = g_strrstr(signal_detail, "::")) != NULL) {
        signal_name = g_strndup(signal_detail, reinterpret_cast<gsize>(detail_start) - reinterpret_cast<gsize>(signal_detail));
    } else {
        signal_name = g_strdup(signal_detail);
    }
    return signal_name;
}

char* ToDashed(const char* camel_case) {
    // Over-allocate; in the worst case the string become 2 times as long.
    char* dashed = (char*)g_malloc((strlen(camel_case) * 2) + 1);

    int j = 0;
    for (int i = 0; camel_case[i] != '\0'; i++) {
        if (isupper(camel_case[i])) {
            dashed[j++] = '-';
            dashed[j++] = tolower(camel_case[i]);
        } else {
            dashed[j++] = camel_case[i];
        }
    }

    dashed[j++] = '\0';
    return dashed;
}

}