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// ConsoleHistory.cpp: implementation of the CConsoleHistory class.
//
//////////////////////////////////////////////////////////////////////
#include "StdAfx.h"
#include "Rendering/GL/myGL.h"
#include "mmgr.h"
#include "ConsoleHistory.h"
unsigned int CConsoleHistory::MaxLines = 256;
CConsoleHistory::CConsoleHistory()
{
lines.push_back(""); // queue is never empty
ResetPosition();
return;
}
CConsoleHistory::~CConsoleHistory()
{
return;
}
void CConsoleHistory::ResetPosition()
{
GML_STDMUTEX_LOCK(hist); // ResetPosition
pos = lines.end();
return;
}
bool CConsoleHistory::AddLine(const std::string& msg)
{
GML_STDMUTEX_LOCK(hist); // AddLine
std::string message;
if ((msg.find_first_of("aAsS") == 0) && (msg[1] == ':')) {
message = msg.substr(2);
} else {
message = msg;
}
return AddLineRaw(message);
}
bool CConsoleHistory::AddLineRaw(const std::string& msg)
{
if (msg.empty()) {
return false; // do not save blank lines
}
if (lines.back() == msg) {
return false; // do not save duplicates
}
if (lines.size() >= MaxLines) {
if (pos != lines.begin()) {
lines.pop_front();
} else {
lines.pop_front();
pos = lines.begin();
}
}
lines.push_back(msg);
return true;
}
std::string CConsoleHistory::NextLine(const std::string& current)
{
GML_STDMUTEX_LOCK(hist); // NextLine
std::string prefix, message;
if ((current.find_first_of("aAsS") == 0) && (current[1] == ':')) {
prefix = current.substr(0, 2);
message = current.substr(2);
} else {
message = current;
}
if (pos == lines.end()) {
AddLineRaw(message);
pos = lines.end();
return prefix;
}
if (*pos != message) {
if (pos != --lines.end()) {
AddLineRaw(message);
} else {
if (AddLineRaw(message)) {
pos = lines.end();
return prefix;
}
}
}
pos++;
if (pos == lines.end()) {
return prefix;
}
return prefix + *pos;
}
std::string CConsoleHistory::PrevLine(const std::string& current)
{
GML_STDMUTEX_LOCK(hist); // PrevLine
std::string prefix, message;
if ((current.find_first_of("aAsS") == 0) && (current[1] == ':')) {
prefix = current.substr(0, 2);
message = current.substr(2);
} else {
message = current;
}
if (pos == lines.begin()) {
if (*pos != message) {
AddLineRaw(message);
pos = lines.begin();
}
return prefix;
}
if ((pos == lines.end()) || (*pos != message)) {
AddLineRaw(message);
if (pos == lines.begin()) {
return prefix; // AddLineRaw() will adjust begin() iterators when it rolls
}
}
pos--;
return prefix + *pos;
}
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