/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __EntryPoint__H__
#define __EntryPoint__H__

#include <stdio.h>

#include <string>
#include <vector>

#include "var.h"

//---------------------------------------------------

typedef std::vector<Var> VarsArray;

class EntryPoint {
   public:
    EntryPoint();
    virtual ~EntryPoint();
    bool parse(unsigned int lc, const std::string& str);
    void reset();  // reset the class to empty;
    void print(FILE* fp = stdout, bool newline = true,
               const std::string& name_suffix = std::string(""),
               const std::string& name_prefix = std::string(""),
               const std::string& ctx_param = std::string("")) const;
    const std::string& name() const { return m_name; }
    const std::string& hostApiName() const {
        if (m_customHostApi.empty()) return m_name;
        return m_customHostApi;
    }
    VarsArray& vars() { return m_vars; }
    const VarsArray& vars() const { return m_vars; }
    Var& retval() { return m_retval; }
    Var* var(const std::string& name);
    const Var* var(const std::string& name) const;
    bool hasPointers();
    bool unsupported() const { return m_unsupported; }
    void setUnsupported(bool state) { m_unsupported = state; }
    bool customDecoder() { return m_customDecoder; }
    void setCustomDecoder(bool state) { m_customDecoder = state; }
    bool notApi() const { return m_notApi; }
    void setNotApi(bool state) { m_notApi = state; }
    bool flushOnEncode() const { return m_flushOnEncode; }
    void setFlushOnEncode(bool state) { m_flushOnEncode = state; }
    void setCustomHostApi(const std::string& apiname) { m_customHostApi = apiname; }
    int validateVarAttr(const std::string& varname, size_t lc) const;
    int setAttribute(const std::string& line, size_t lc);

   private:
    std::string m_name;
    Var m_retval;
    VarsArray m_vars;
    bool m_unsupported;
    bool m_customDecoder;
    bool m_notApi;
    bool m_flushOnEncode;
    std::string m_customHostApi;

    void err(unsigned int lc, const char* msg) { fprintf(stderr, "line %d: %s\n", lc, msg); }
};

#endif