FixedLengthString.cpp

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#include <Fw/Types/StringType.hpp>
#include <Fw/Types/BasicTypes.hpp>
#include <Fw/Types/FixedLengthString.hpp>
#include <Fw/Types/Assert.hpp>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
 
namespace Fw {
 
    FixedLengthString::FixedLengthString(const char* src) : StringBase() {
        this->copyBuff(src, sizeof(this->m_buf));
    }
 
    FixedLengthString::FixedLengthString(const StringBase& src) : StringBase() {
        this->copyBuff(src.toChar(), sizeof(this->m_buf));
    }
 
    FixedLengthString::FixedLengthString(const FixedLengthString& src) : StringBase() {
        this->copyBuff(src.m_buf, sizeof(this->m_buf));
    }
 
    FixedLengthString::FixedLengthString(void) : StringBase() {
        this->m_buf[0] = 0;
    }
 
    FixedLengthString::~FixedLengthString(void) {
    }
 
    NATIVE_UINT_TYPE FixedLengthString::length(void) const {
        return strnlen(this->m_buf,sizeof(this->m_buf));
    }
 
    const char* FixedLengthString::toChar(void) const {
        return this->m_buf;
    }
 
    void FixedLengthString::copyBuff(const char* buff, NATIVE_UINT_TYPE size) {
        FW_ASSERT(buff);
        // check for self copy
        if (buff != this->m_buf) {
            (void)strncpy(this->m_buf,buff,size);
            // NULL terminate
            this->terminate(sizeof(this->m_buf));
        }
    }
 
    const FixedLengthString& FixedLengthString::operator=(const FixedLengthString& other) {
        this->copyBuff(other.m_buf,sizeof(this->m_buf));
        return *this;
    }
 
    SerializeStatus FixedLengthString::serialize(SerializeBufferBase& buffer) const {
        NATIVE_UINT_TYPE strSize = strnlen(this->m_buf,sizeof(this->m_buf));
        // serialize string as buffer
        return buffer.serialize((U8*)this->m_buf,strSize);
    }
 
    SerializeStatus FixedLengthString::deserialize(SerializeBufferBase& buffer) {
        NATIVE_UINT_TYPE maxSize = sizeof(this->m_buf);
        // deserialize string
        SerializeStatus stat = buffer.deserialize((U8*)this->m_buf,maxSize);
        // make sure it is null-terminated
        this->terminate(maxSize);
 
        return stat;
    }
 
    NATIVE_UINT_TYPE FixedLengthString::getCapacity(void) const {
        return STRING_SIZE;
    }
    
    void FixedLengthString::terminate(NATIVE_UINT_TYPE size) {
        // null terminate the string
        this->m_buf[size < sizeof(this->m_buf)?size:sizeof(this->m_buf)-1] = 0;
    }
 
}