CWE-ou-minkata/Sources/Plasma/PubUtilLib/plContainer/plKeysAndValues.cpp

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*==LICENSE==*/
#include "plKeysAndValues.h"
#include "hsStream.h"
#include <algorithm>


plKeysAndValues::plKeysAndValues()
{
}

plKeysAndValues::plKeysAndValues(const plKeysAndValues & src)
:   fKeys(src.fKeys)
{
}

plKeysAndValues & plKeysAndValues::operator =(const plKeysAndValues & src)
{
    fKeys = src.fKeys;
    return *this;
}


void plKeysAndValues::Clear()
{
    fKeys.clear();
}

void plKeysAndValues::RemoveKey(const plString & key)
{
    fKeys.erase(key);
}

bool plKeysAndValues::HasKey(const plString & key) const
{
    return (fKeys.find(key) != fKeys.end());
}

bool plKeysAndValues::KeyHasValue(const plString & key, const plString & value)
{
    Keys::const_iterator ki = fKeys.find(key);
    if (ki==fKeys.end())
        return false;
    return std::find_if(ki->second.begin(), ki->second.end(),
               [&value](const plString &v) { return v.CompareI(value) == 0; }
           ) != ki->second.end();
}

bool plKeysAndValues::KeyHasValue(const plString & key, int value)
{
    return KeyHasValue(key, plFormat("{}", value));
}

bool plKeysAndValues::KeyHasValue(const plString & key, double value)
{
    return KeyHasValue(key, plFormat("{f}", value));
}

bool plKeysAndValues::AddValue(const plString & key, const plString & value, KAddValueMode mode)
{
    switch (mode)
    {
    case kFailIfExists:
        if (HasKey(key))
            return false;
        break;
    case kReplaceIfExists:
        if (HasKey(key))
            RemoveKey(key);
        break;
    default:
        break;
    }
    fKeys[key].push_front(value);
    return true;
}

bool plKeysAndValues::AddValue(const plString & key, int value, KAddValueMode mode)
{
    return AddValue(key, plFormat("{}", value), mode);
}

bool plKeysAndValues::AddValue(const plString & key, double value, KAddValueMode mode)
{
    return AddValue(key, plFormat("{f}", value), mode);
}

bool plKeysAndValues::AddValues(const plString & key, const std::vector<plString> & values, KAddValueMode mode)
{
    for (int i=0; i<values.size(); i++)
        AddValue(key,values[i],mode);
    return true;
}

bool plKeysAndValues::SetValue(const plString & key, const plString & value)
{
    fKeys[key].clear();
    return AddValue(key,value);
}

bool plKeysAndValues::SetValue(const plString & key, int value)
{
    return SetValue(key, plFormat("{}", value));
}

bool plKeysAndValues::SetValue(const plString & key, double value)
{
    return SetValue(key, plFormat("{f}", value));
}

plString plKeysAndValues::GetValue(const plString & key, const plString & defval, bool * outFound) const
{
    Keys::const_iterator ki = fKeys.find(key);
    if (outFound)
        *outFound = (ki!=fKeys.end());
    if(ki != fKeys.end())
        return ki->second.front();
//  fKeys[key].push_front(defval);
    return defval;
}

uint32_t plKeysAndValues::GetValue(const plString & key, uint32_t defval, bool * outFound) const
{
    return GetValue(key, plFormat("{}", defval), outFound).ToUInt();
}

int plKeysAndValues::GetValue(const plString & key, int defval, bool * outFound) const
{
    return GetValue(key, plFormat("{}", defval), outFound).ToInt();
}

double plKeysAndValues::GetValue(const plString & key, double defval, bool * outFound) const
{
    return GetValue(key, plFormat("{f}", defval), outFound).ToDouble();
}

std::vector<plString> plKeysAndValues::GetAllValues(const plString & key)
{
    std::vector<plString> result;
    if (HasKey(key))
        for (Values::const_iterator vi=fKeys[key].begin(); vi!=fKeys[key].end(); ++vi)
            result.push_back(*vi);
    return result;
}

bool plKeysAndValues::GetKeyIterators(Keys::const_iterator & iter, Keys::const_iterator & end) const
{
    iter = fKeys.begin();
    end = fKeys.end();
    return true;
}

bool plKeysAndValues::GetValueIterators(const plString & key, Values::const_iterator & iter, Values::const_iterator & end) const
{
    Keys::const_iterator ki = fKeys.find(key);
    if(ki != fKeys.end())
    {
        iter = ki->second.begin();
        end  = ki->second.end();
        return true;
    }
    return false;
}

void plKeysAndValues::Read(hsStream * s)
{
    uint16_t nkeys;
    s->ReadLE(&nkeys);
    for (int ki=0; ki<nkeys; ki++)
    {
        uint16_t strlen;
        s->ReadLE(&strlen);
        plStringBuffer<char> key;
        char* kdata = key.CreateWritableBuffer(strlen);
        s->Read(strlen,(void*)kdata);
        kdata[strlen] = 0;
        uint16_t nvalues;
        s->ReadLE(&nvalues);
        for (int vi=0; vi<nvalues; vi++)
        {
            s->ReadLE(&strlen);
            plStringBuffer<char> value;
            char* vdata = value.CreateWritableBuffer(strlen);
            s->Read(strlen,(void*)vdata);
            vdata[strlen] = 0;
            // for now, only single value for key on stream is allowed.
            SetValue(key,value);
        }
    }
}

void plKeysAndValues::Write(hsStream * s)
{
    // write nkeys
    s->WriteLE((uint16_t)fKeys.size());
    // iterate through keys
    Keys::const_iterator ki,ke;
    GetKeyIterators(ki,ke);
    for (;ki!=ke;++ki)
    {
        // write key string
        s->WriteLE((uint16_t)ki->first.GetSize());
        s->Write(ki->first.GetSize(),ki->first.c_str());
        // write nvalues for this key
        s->WriteLE((uint16_t)ki->second.size());
        // iterate through values for this key
        Values::const_iterator vi,ve;
        GetValueIterators(ki->first,vi,ve);
        for (;vi!=ve;++vi)
        {
            // write value string
            s->WriteLE((uint16_t)vi->GetSize());
            s->Write(vi->GetSize(),vi->c_str());
        }
    }
}