/*  Starshatter OpenSource Distribution
    Copyright (c) 1997-2004, Destroyer Studios LLC.
    All Rights Reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name "Destroyer Studios" nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.

    SUBSYSTEM:    nGenEx.lib
    FILE:         ParseUtil.cpp
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Parser utility functions
*/

#include "MemDebug.h"
#include "ParseUtil.h"
#include "DataLoader.h"

#include "stdio.h"

// +--------------------------------------------------------------------+

bool GetDefBool(bool& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing BOOL TermDef in '%s'\n", file);
        return false;
    }

    TermBool* tn = def->term()->isBool();
    if (tn) {
        dst = tn->value();
        return true;
    }
    else {
        Print("WARNING: invalid bool %s in '%s'.  value = ", def->name()->value().data(), file);
        def->term()->print(10);
        Print("\n");
    }

    return false;
}

bool GetDefText(Text& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing TEXT TermDef in '%s'\n", file);
        return false;
    }

    TermText* tn = def->term()->isText();
    if (tn) {
        dst = tn->value();
        return true;
    }
    else
    Print("WARNING: invalid TEXT %s in '%s'\n", def->name()->value().data(), file);

    return false;
}

bool GetDefText(char* dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing TEXT TermDef in '%s'\n", file);
        return false;
    }

    TermText* tn = def->term()->isText();
    if (tn) {
        strcpy(dst, tn->value());
        return true;
    }
    else
    Print("WARNING: invalid TEXT %s in '%s'\n", def->name()->value().data(), file);

    return false;
}

bool GetDefNumber(int& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing NUMBER TermDef in '%s'\n", file);
        return false;
    }

    TermNumber* tr = def->term()->isNumber();
    if (tr) {
        dst = (int) tr->value();
        return true;
    }
    else
    Print("WARNING: invalid NUMBER %s in '%s'\n", def->name()->value().data(), file);

    return false;
}

bool GetDefNumber(DWORD& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing NUMBER TermDef in '%s'\n", file);
        return false;
    }

    TermNumber* tr = def->term()->isNumber();
    if (tr) {
        dst = (DWORD) tr->value();
        return true;
    }
    else
    Print("WARNING: invalid NUMBER %s in '%s'\n", def->name()->value().data(), file);

    return false;
}

bool GetDefNumber(float& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing NUMBER TermDef in '%s'\n", file);
        return false;
    }

    TermNumber* tr = def->term()->isNumber();
    if (tr) {
        dst = (float) tr->value();
        return true;
    }
    else
    Print("WARNING: invalid NUMBER %s in '%s'\n", def->name()->value().data(), file);

    return false;
}

bool GetDefNumber(double& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing NUMBER TermDef in '%s'\n", file);
        return false;
    }

    TermNumber* tr = def->term()->isNumber();
    if (tr) {
        dst = (double) tr->value();
        return true;
    }
    else
    Print("WARNING: invalid NUMBER %s in '%s'\n", def->name()->value().data(), file);

    return false;
}

bool GetDefVec(Vec3& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing VEC3 TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        if (val->elements()->size() != 3) {
            Print("WARNING: malformed vector in '%s'\n", file);
        }
        else {
            dst.x = (float) (val->elements()->at(0)->isNumber()->value());
            dst.y = (float) (val->elements()->at(1)->isNumber()->value());
            dst.z = (float) (val->elements()->at(2)->isNumber()->value());

            return true;
        }
    }
    else {
        Print("WARNING: vector expected in '%s'\n", file);
    }

    return false;
}

bool GetDefRect(Rect& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing RECT TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        if (val->elements()->size() != 4) {
            Print("WARNING: malformed rect in '%s'\n", file);
        }
        else {
            dst.x = (int) (val->elements()->at(0)->isNumber()->value());
            dst.y = (int) (val->elements()->at(1)->isNumber()->value());
            dst.w = (int) (val->elements()->at(2)->isNumber()->value());
            dst.h = (int) (val->elements()->at(3)->isNumber()->value());

            return true;
        }
    }
    else {
        Print("WARNING: rect expected in '%s'\n", file);
    }

    return false;
}

bool GetDefInsets(Insets& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing Insets TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        if (val->elements()->size() != 4) {
            Print("WARNING: malformed Insets in '%s'\n", file);
        }
        else {
            dst.left   = (WORD) (val->elements()->at(0)->isNumber()->value());
            dst.right  = (WORD) (val->elements()->at(1)->isNumber()->value());
            dst.top    = (WORD) (val->elements()->at(2)->isNumber()->value());
            dst.bottom = (WORD) (val->elements()->at(3)->isNumber()->value());

            return true;
        }
    }
    else {
        Print("WARNING: Insets expected in '%s'\n", file);
    }

    return false;
}

bool GetDefColor(Color& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing COLOR TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        if (val->elements()->size() != 3) {
            Print("WARNING: malformed color in '%s'\n", file);
        }
        else {
            BYTE r, g, b;
            double v0 = (val->elements()->at(0)->isNumber()->value());
            double v1 = (val->elements()->at(1)->isNumber()->value());
            double v2 = (val->elements()->at(2)->isNumber()->value());

            if (v0 >= 0 && v0 <= 1 &&
                    v1 >= 0 && v1 <= 1 &&
                    v2 >= 0 && v2 <= 1) {

                r = (BYTE) (v0 * 255);
                g = (BYTE) (v1 * 255);
                b = (BYTE) (v2 * 255);

            }
            else {
                r = (BYTE) v0;
                g = (BYTE) v1;
                b = (BYTE) v2;
            }

            dst = Color(r,g,b);
            return true;
        }
    }
    else {
        Print("WARNING: color expected in '%s'\n", file);
    }

    return false;
}

bool GetDefColor(ColorValue& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing COLOR TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        if (val->elements()->size() < 3 || val->elements()->size() > 4) {
            Print("WARNING: malformed color in '%s'\n", file);
        }
        else {
            double r = (val->elements()->at(0)->isNumber()->value());
            double g = (val->elements()->at(1)->isNumber()->value());
            double b = (val->elements()->at(2)->isNumber()->value());
            double a = 1;

            if (val->elements()->size() == 4)
            a = (val->elements()->at(3)->isNumber()->value());

            dst.Set((float) r, (float) g, (float) b, (float) a);
            return true;
        }
    }
    else {
        Print("WARNING: color expected in '%s'\n", file);
    }

    return false;
}

// +--------------------------------------------------------------------+

bool GetDefArray(int* dst, int size, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing ARRAY TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        int nelem = val->elements()->size();

        if (nelem > size)
        nelem = size;

        for (int i = 0; i < nelem; i++)
        *dst++ = (int) (val->elements()->at(i)->isNumber()->value());

        return true;
    }
    else {
        Print("WARNING: array expected in '%s'\n", file);
    }

    return false;
}

bool GetDefArray(float* dst, int size, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing ARRAY TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        int nelem = val->elements()->size();

        if (nelem > size)
        nelem = size;

        for (int i = 0; i < nelem; i++)
        *dst++ = (float) (val->elements()->at(i)->isNumber()->value());

        return true;
    }
    else {
        Print("WARNING: array expected in '%s'\n", file);
    }

    return false;
}

bool GetDefArray(double* dst, int size, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing ARRAY TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        int nelem = val->elements()->size();

        if (nelem > size)
        nelem = size;

        for (int i = 0; i < nelem; i++)
        *dst++ = (double) (val->elements()->at(i)->isNumber()->value());

        return true;
    }
    else {
        Print("WARNING: array expected in '%s'\n", file);
    }

    return false;
}

// +--------------------------------------------------------------------+

bool GetDefArray(std::vector<DWORD>& array, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing ARRAY TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        int nelem = val->elements()->size();

        array.clear();

        for (int i = 0; i < nelem; i++)
            array.push_back((DWORD) (val->elements()->at(i)->isNumber()->value()));

        return true;
    }
    else {
        Print("WARNING: integer array expected in '%s'\n", file);
    }

    return false;
}

bool GetDefArray(std::vector<float>& array, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing ARRAY TermDef in '%s'\n", file);
        return false;
    }

    TermArray* val = def->term()->isArray();
    if (val) {
        int nelem = val->elements()->size();

        array.clear();

        for (int i = 0; i < nelem; i++)
            array.push_back((float) (val->elements()->at(i)->isNumber()->value()));

        return true;
    }
    else {
        Print("WARNING: float array expected in '%s'\n", file);
    }

    return false;
}

// +--------------------------------------------------------------------+

bool GetDefTime(int& dst, TermDef* def, const char* file)
{
    if (!def || !def->term()) {
        Print("WARNING: missing TIME TermDef in '%s'\n", file);
        return false;
    }

    TermText* tn = def->term()->isText();

    if (tn) {
        int d = 0;
        int h = 0;
        int m = 0;
        int s = 0;

        char buf[64];
        strcpy_s(buf, tn->value());

        if (strchr(buf, '/'))
        sscanf_s(buf, "%d/%d:%d:%d", &d, &h, &m, &s);
        else
        sscanf_s(buf, "%d:%d:%d", &h, &m, &s);

        dst = d * 24 * 60 * 60 +
        h      * 60 * 60 +
        m           * 60 +
        s;

        return true;
    }
    else
    Print("WARNING: invalid TIME %s in '%s'\n", def->name()->value().data(), file);

    return false;
}