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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
//----------------------------------------------------------
// MCList.h - MethodContext List utility class
//----------------------------------------------------------
#include "standardpch.h"
#include "mclist.h"
#include "logging.h"
bool MCList::processArgAsMCL(char *input, int *count, int **list)
{
// If it contains only '0-9', '-', ',' try to see it as a range list, else try to load as a file
bool isRangeList = true;
size_t len = strlen(input);
for (unsigned int i=0; (i < len) && isRangeList; i++)
{
if ((input[i] != '-') && (input[i] != ',') && (!isdigit((unsigned char)input[i])))
isRangeList = false;
}
if (isRangeList)
{
//Count items
*count = 0;
unsigned rangeStart = 0;
bool inRange = false;
unsigned scratch = 0;
bool foundDigit = false;
char *tail = input+len;
for(char* head = input; head <= tail; head++)
{
scratch = 0;
foundDigit = false;
while((head<=tail)&&(isdigit((unsigned char)*head)))
{
scratch = (scratch*10)+((*head)-'0');
foundDigit = true;
head++;
}
if(foundDigit)
{
if(inRange)
{
inRange = false;
if(rangeStart>=scratch)
{
LogError("Invalid range in '%s'", input);
return false;
}
(*count) += scratch-rangeStart;
}
else
{
rangeStart = scratch;
(*count)++;
}
}
if(*head == '-')
inRange = true;
}
if (*count == 0)
{
LogError("Didn't find a list!");
return false;
}
inRange = false;
rangeStart = 0;
int *ll = new int[*count];
*list = ll;
int index = 0;
ll[index] = 0;
for(char* head = input; head <= tail; head++)
{
scratch = 0;
foundDigit = false;
while((head<=tail)&&(isdigit((unsigned char)*head)))
{
scratch = (scratch*10)+((*head)-'0');
foundDigit = true;
head++;
}
if(foundDigit)
{
if(inRange)
{
inRange = false;
for(unsigned int i=rangeStart+1;i<=scratch;i++)
ll[index++] = i;
}
else
{
rangeStart = scratch;
ll[index++] = scratch;
}
}
if(*head == '-')
inRange = true;
}
if(inRange)
{
LogError("Found invalid external range in '%s'", input);
return false;
}
goto checkMCL;
}
else
{
char *lastdot = strrchr(input,'.');
if(lastdot != nullptr && _stricmp(lastdot, ".mcl")==0)
{
//Read MCLFile
if (!getLineData(input, count, list))
return false;
if (*count >= 0)
goto checkMCL;
}
return false;
}
checkMCL: //check that mcl list is increasing only
int *ll = (*list);
if (ll[0] == 0)
{
LogError("MCL list needs to start from 1!");
return false;
}
for (int i = 1; i < *count; i++)
{
if (ll[i-1] >= ll[i])
{
LogError("MCL list must be increasing.. found %d -> %d", ll[i - 1], ll[i]);
return false;
}
}
return true;
}
// Returns true on success, false on failure.
// On success, sets *pIndexCount to the number of indices read, and *pIndexes to a new array with all the indices read. The caller must
// free the memory with delete[].
/* static */
bool MCList::getLineData(const char *nameOfInput, /* OUT */ int *pIndexCount, /* OUT */ int **pIndexes)
{
HANDLE hFile = CreateFileA(nameOfInput, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
LogError("Unable to open '%s'. GetLastError()=%u", nameOfInput, GetLastError());
return false;
}
LARGE_INTEGER DataTemp;
if (!GetFileSizeEx(hFile, &DataTemp))
{
LogError("GetFileSizeEx failed. GetLastError()=%u", GetLastError());
return false;
}
if (DataTemp.QuadPart > MAXMCLFILESIZE)
{
LogError("Size %d exceeds max size of %d", DataTemp.QuadPart, MAXMCLFILESIZE);
return false;
}
int sz = DataTemp.u.LowPart;
char* buff = new char[sz];
DWORD bytesRead;
if (ReadFile(hFile, buff, sz, &bytesRead, nullptr) == 0)
{
LogError("ReadFile failed. GetLastError()=%u", GetLastError());
delete[] buff;
return false;
}
if (!CloseHandle(hFile))
{
LogError("CloseHandle failed. GetLastError()=%u", GetLastError());
delete[] buff;
return false;
}
// Count the lines. Note that the last line better be terminated by a newline.
int lineCount = 0;
for (int i = 0; i < sz; i++)
{
if (buff[i] == '\n')
{
lineCount++;
}
}
int* indexes = new int[lineCount];
int indexCount = 0;
int i = 0;
while (i < sz)
{
//seek the first number on the line. This will skip empty lines and lines with no digits.
while (!isdigit((unsigned char)buff[i]))
i++;
//read in the number
indexes[indexCount++] = atoi(&buff[i]);
//seek to the start of next line
while ((i < sz) && (buff[i] != '\n'))
i++;
i++;
}
delete[] buff;
*pIndexCount = indexCount;
*pIndexes = indexes;
return true;
}
void MCList::InitializeMCL(char *filename)
{
hMCLFile = CreateFileA(filename, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hMCLFile == INVALID_HANDLE_VALUE)
{
LogError("Failed to open output file '%s'. GetLastError()=%u", filename, GetLastError());
}
}
void MCList::AddMethodToMCL(int methodIndex)
{
if (hMCLFile != INVALID_HANDLE_VALUE)
{
char strMethodIndex[12];
DWORD charCount = 0;
DWORD bytesWritten = 0;
charCount = sprintf_s(strMethodIndex, sizeof(strMethodIndex), "%d\r\n", methodIndex);
if (!WriteFile(hMCLFile, strMethodIndex, charCount, &bytesWritten, nullptr) || bytesWritten != charCount)
{
LogError("Failed to write method index '%d'. GetLastError()=%u", strMethodIndex, GetLastError());
}
}
}
void MCList::CloseMCL()
{
if (hMCLFile != INVALID_HANDLE_VALUE)
{
if (CloseHandle(hMCLFile) == 0)
{
LogError("CloseHandle failed. GetLastError()=%u", GetLastError());
}
}
}
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