CMake/Source/cmOutputConverter.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmOutputConverter.h"
#include "cmAlgorithms.h"
#include "cmake.h"
#include <cmsys/System.h>
#include <assert.h>
cmOutputConverter::cmOutputConverter(cmState::Snapshot snapshot)
: StateSnapshot(snapshot), LinkScriptShell(false)
{
}
//----------------------------------------------------------------------------
std::string
cmOutputConverter::ConvertToOutputForExistingCommon(const std::string& remote,
std::string const& result,
OutputFormat format)
{
// If this is a windows shell, the result has a space, and the path
// already exists, we can use a short-path to reference it without a
// space.
if(this->GetState()->UseWindowsShell() && result.find(' ') != result.npos &&
cmSystemTools::FileExists(remote.c_str()))
{
std::string tmp;
if(cmSystemTools::GetShortPath(remote, tmp))
{
return this->ConvertToOutputFormat(tmp, format);
}
}
// Otherwise, leave it unchanged.
return result;
}
//----------------------------------------------------------------------------
std::string
cmOutputConverter::ConvertToOutputForExisting(const std::string& remote,
RelativeRoot local,
OutputFormat format)
{
static_cast<void>(local);
// Perform standard conversion.
std::string result = this->ConvertToOutputFormat(remote, format);
// Consider short-path.
return this->ConvertToOutputForExistingCommon(remote, result, format);
}
//----------------------------------------------------------------------------
std::string
cmOutputConverter::ConvertToOutputForExisting(RelativeRoot remote,
const std::string& local,
OutputFormat format)
{
// Perform standard conversion.
std::string result = this->Convert(remote, local, format, true);
// Consider short-path.
const char* remotePath = this->GetRelativeRootPath(remote);
return this->ConvertToOutputForExistingCommon(remotePath, result, format);
}
//----------------------------------------------------------------------------
const char* cmOutputConverter::GetRelativeRootPath(RelativeRoot relroot)
{
switch (relroot)
{
case HOME: return this->GetState()->GetSourceDirectory();
case START: return this->StateSnapshot.GetCurrentSourceDirectory();
case HOME_OUTPUT: return this->GetState()->GetBinaryDirectory();
case START_OUTPUT: return this->StateSnapshot.GetCurrentBinaryDirectory();
default: break;
}
return 0;
}
std::string cmOutputConverter::Convert(const std::string& source,
RelativeRoot relative,
OutputFormat output)
{
// Convert the path to a relative path.
std::string result = source;
switch (relative)
{
case HOME:
result = this->ConvertToRelativePath(
this->GetState()->GetSourceDirectoryComponents(), result);
break;
case START:
result = this->ConvertToRelativePath(
this->StateSnapshot.GetCurrentSourceDirectoryComponents(), result);
break;
case HOME_OUTPUT:
result = this->ConvertToRelativePath(
this->GetState()->GetBinaryDirectoryComponents(), result);
break;
case START_OUTPUT:
result = this->ConvertToRelativePath(
this->StateSnapshot.GetCurrentBinaryDirectoryComponents(), result);
break;
case FULL:
result = cmSystemTools::CollapseFullPath(result);
break;
case NONE:
break;
}
return this->ConvertToOutputFormat(result, output);
}
//----------------------------------------------------------------------------
std::string cmOutputConverter::ConvertToOutputFormat(const std::string& source,
OutputFormat output)
{
std::string result = source;
// Convert it to an output path.
if (output == MAKERULE)
{
result = cmSystemTools::ConvertToOutputPath(result.c_str());
}
else if(output == SHELL || output == WATCOMQUOTE)
{
// For the MSYS shell convert drive letters to posix paths, so
// that c:/some/path becomes /c/some/path. This is needed to
// avoid problems with the shell path translation.
if(this->GetState()->UseMSYSShell() && !this->LinkScriptShell)
{
if(result.size() > 2 && result[1] == ':')
{
result[1] = result[0];
result[0] = '/';
}
}
if(this->GetState()->UseWindowsShell())
{
std::replace(result.begin(), result.end(), '/', '\\');
}
result = this->EscapeForShell(result, true, false, output == WATCOMQUOTE);
}
else if(output == RESPONSE)
{
result = this->EscapeForShell(result, false, false, false);
}
return result;
}
//----------------------------------------------------------------------------
std::string cmOutputConverter::Convert(RelativeRoot remote,
const std::string& local,
OutputFormat output,
bool optional)
{
const char* remotePath = this->GetRelativeRootPath(remote);
// The relative root must have a path (i.e. not FULL or NONE)
assert(remotePath != 0);
if(!local.empty() && !optional)
{
std::vector<std::string> components;
cmSystemTools::SplitPath(local, components);
std::string result = this->ConvertToRelativePath(components, remotePath);
return this->ConvertToOutputFormat(result, output);
}
return this->ConvertToOutputFormat(remotePath, output);
}
//----------------------------------------------------------------------------
static bool cmOutputConverterNotAbove(const char* a, const char* b)
{
return (cmSystemTools::ComparePath(a, b) ||
cmSystemTools::IsSubDirectory(a, b));
}
//----------------------------------------------------------------------------
std::string
cmOutputConverter::ConvertToRelativePath(const std::vector<std::string>& local,
const std::string& in_remote,
bool force)
{
// The path should never be quoted.
assert(in_remote[0] != '\"');
// The local path should never have a trailing slash.
assert(!local.empty() && !(local[local.size()-1] == ""));
// If the path is already relative then just return the path.
if(!cmSystemTools::FileIsFullPath(in_remote.c_str()))
{
return in_remote;
}
if(!force)
{
// Skip conversion if the path and local are not both in the source
// or both in the binary tree.
std::string local_path = cmSystemTools::JoinPath(local);
if(!((cmOutputConverterNotAbove(local_path.c_str(),
this->StateSnapshot.GetRelativePathTopBinary()) &&
cmOutputConverterNotAbove(in_remote.c_str(),
this->StateSnapshot.GetRelativePathTopBinary())) ||
(cmOutputConverterNotAbove(local_path.c_str(),
this->StateSnapshot.GetRelativePathTopSource()) &&
cmOutputConverterNotAbove(in_remote.c_str(),
this->StateSnapshot.GetRelativePathTopSource()))))
{
return in_remote;
}
}
// Identify the longest shared path component between the remote
// path and the local path.
std::vector<std::string> remote;
cmSystemTools::SplitPath(in_remote, remote);
unsigned int common=0;
while(common < remote.size() &&
common < local.size() &&
cmSystemTools::ComparePath(remote[common],
local[common]))
{
++common;
}
// If no part of the path is in common then return the full path.
if(common == 0)
{
return in_remote;
}
// If the entire path is in common then just return a ".".
if(common == remote.size() &&
common == local.size())
{
return ".";
}
// If the entire path is in common except for a trailing slash then
// just return a "./".
if(common+1 == remote.size() &&
remote[common].empty() &&
common == local.size())
{
return "./";
}
// Construct the relative path.
std::string relative;
// First add enough ../ to get up to the level of the shared portion
// of the path. Leave off the trailing slash. Note that the last
// component of local will never be empty because local should never
// have a trailing slash.
for(unsigned int i=common; i < local.size(); ++i)
{
relative += "..";
if(i < local.size()-1)
{
relative += "/";
}
}
// Now add the portion of the destination path that is not included
// in the shared portion of the path. Add a slash the first time
// only if there was already something in the path. If there was a
// trailing slash in the input then the last iteration of the loop
// will add a slash followed by an empty string which will preserve
// the trailing slash in the output.
if(!relative.empty() && !remote.empty())
{
relative += "/";
}
relative += cmJoin(cmRange(remote).advance(common), "/");
// Finally return the path.
return relative;
}
//----------------------------------------------------------------------------
static bool cmOutputConverterIsShellOperator(const std::string& str)
{
static std::set<std::string> shellOperators;
if(shellOperators.empty())
{
shellOperators.insert("<");
shellOperators.insert(">");
shellOperators.insert("<<");
shellOperators.insert(">>");
shellOperators.insert("|");
shellOperators.insert("||");
shellOperators.insert("&&");
shellOperators.insert("&>");
shellOperators.insert("1>");
shellOperators.insert("2>");
shellOperators.insert("2>&1");
shellOperators.insert("1>&2");
}
return shellOperators.count(str) > 0;
}
//----------------------------------------------------------------------------
std::string cmOutputConverter::EscapeForShell(const std::string& str,
bool makeVars,
bool forEcho,
bool useWatcomQuote)
{
// Do not escape shell operators.
if(cmOutputConverterIsShellOperator(str))
{
return str;
}
// Compute the flags for the target shell environment.
int flags = 0;
if(this->GetState()->UseWindowsVSIDE())
{
flags |= cmsysSystem_Shell_Flag_VSIDE;
}
else if(!this->LinkScriptShell)
{
flags |= cmsysSystem_Shell_Flag_Make;
}
if(makeVars)
{
flags |= cmsysSystem_Shell_Flag_AllowMakeVariables;
}
if(forEcho)
{
flags |= cmsysSystem_Shell_Flag_EchoWindows;
}
if(useWatcomQuote)
{
flags |= cmsysSystem_Shell_Flag_WatcomQuote;
}
if(this->GetState()->UseWatcomWMake())
{
flags |= cmsysSystem_Shell_Flag_WatcomWMake;
}
if(this->GetState()->UseMinGWMake())
{
flags |= cmsysSystem_Shell_Flag_MinGWMake;
}
if(this->GetState()->UseNMake())
{
flags |= cmsysSystem_Shell_Flag_NMake;
}
// Compute the buffer size needed.
int size = (this->GetState()->UseWindowsShell() ?
cmsysSystem_Shell_GetArgumentSizeForWindows(str.c_str(), flags) :
cmsysSystem_Shell_GetArgumentSizeForUnix(str.c_str(), flags));
// Compute the shell argument itself.
std::vector<char> arg(size);
if(this->GetState()->UseWindowsShell())
{
cmsysSystem_Shell_GetArgumentForWindows(str.c_str(), &arg[0], flags);
}
else
{
cmsysSystem_Shell_GetArgumentForUnix(str.c_str(), &arg[0], flags);
}
return std::string(&arg[0]);
}
//----------------------------------------------------------------------------
std::string cmOutputConverter::EscapeForCMake(const std::string& str)
{
// Always double-quote the argument to take care of most escapes.
std::string result = "\"";
for(const char* c = str.c_str(); *c; ++c)
{
if(*c == '"')
{
// Escape the double quote to avoid ending the argument.
result += "\\\"";
}
else if(*c == '$')
{
// Escape the dollar to avoid expanding variables.
result += "\\$";
}
else if(*c == '\\')
{
// Escape the backslash to avoid other escapes.
result += "\\\\";
}
else
{
// Other characters will be parsed correctly.
result += *c;
}
}
result += "\"";
return result;
}
//----------------------------------------------------------------------------
cmOutputConverter::FortranFormat
cmOutputConverter::GetFortranFormat(const char* value)
{
FortranFormat format = FortranFormatNone;
if(value && *value)
{
std::vector<std::string> fmt;
cmSystemTools::ExpandListArgument(value, fmt);
for(std::vector<std::string>::iterator fi = fmt.begin();
fi != fmt.end(); ++fi)
{
if(*fi == "FIXED")
{
format = FortranFormatFixed;
}
if(*fi == "FREE")
{
format = FortranFormatFree;
}
}
}
return format;
}
void cmOutputConverter::SetLinkScriptShell(bool linkScriptShell)
{
this->LinkScriptShell = linkScriptShell;
}
cmState* cmOutputConverter::GetState() const
{
return this->StateSnapshot.GetState();
}