aboutsummaryrefslogtreecommitdiff
path: root/tools/lldb-mi/MICmdArgValFile.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/lldb-mi/MICmdArgValFile.cpp')
-rw-r--r--tools/lldb-mi/MICmdArgValFile.cpp204
1 files changed, 204 insertions, 0 deletions
diff --git a/tools/lldb-mi/MICmdArgValFile.cpp b/tools/lldb-mi/MICmdArgValFile.cpp
new file mode 100644
index 000000000000..d5cc52b90b44
--- /dev/null
+++ b/tools/lldb-mi/MICmdArgValFile.cpp
@@ -0,0 +1,204 @@
+//===-- MICmdArgValFile.cpp -------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//++
+// File: MICmdArgValFile.cpp
+//
+// Overview: CMICmdArgValFile implementation.
+//
+// Environment: Compilers: Visual C++ 12.
+// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
+// Libraries: See MIReadmetxt.
+//
+// Copyright: None.
+//--
+
+// In-house headers:
+#include "MICmdArgValFile.h"
+#include "MICmdArgContext.h"
+
+//++ ------------------------------------------------------------------------------------
+// Details: CMICmdArgValFile constructor.
+// Type: Method.
+// Args: None.
+// Return: None.
+// Throws: None.
+//--
+CMICmdArgValFile::CMICmdArgValFile( void )
+{
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: CMICmdArgValFile constructor.
+// Type: Method.
+// Args: vrArgName - (R) Argument's name to search by.
+// vbMandatory - (R) True = Yes must be present, false = optional argument.
+// vbHandleByCmd - (R) True = Command processes *this option, false = not handled.
+// Return: None.
+// Throws: None.
+//--
+CMICmdArgValFile::CMICmdArgValFile( const CMIUtilString & vrArgName, const bool vbMandatory, const bool vbHandleByCmd )
+: CMICmdArgValBaseTemplate( vrArgName, vbMandatory, vbHandleByCmd )
+{
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: CMICmdArgValFile destructor.
+// Type: Overridden.
+// Args: None.
+// Return: None.
+// Throws: None.
+//--
+CMICmdArgValFile::~CMICmdArgValFile( void )
+{
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Parse the command's argument options string and try to extract the value *this
+// argument is looking for.
+// Type: Overridden.
+// Args: vwArgContext - (R) The command's argument options string.
+// Return: MIstatus::success - Functional succeeded.
+// MIstatus::failure - Functional failed.
+// Throws: None.
+//--
+bool CMICmdArgValFile::Validate( CMICmdArgContext & vwArgContext )
+{
+ if( vwArgContext.IsEmpty() )
+ return MIstatus::success;
+
+ // The GDB/MI spec suggests there is only parameter
+
+ if( vwArgContext.GetNumberArgsPresent() == 1 )
+ {
+ const CMIUtilString & rFile( vwArgContext.GetArgsLeftToParse() );
+ if( IsFilePath( rFile ) )
+ {
+ m_bFound = true;
+ m_bValid = true;
+ m_argValue = rFile.Trim( '"' );
+ vwArgContext.RemoveArg( rFile );
+ return MIstatus::success;
+ }
+ else
+ return MIstatus::failure;
+ }
+
+ // In reality there are more than one option, if so the file option
+ // is the last one (don't handle that here - find the best looking one)
+ const CMIUtilString::VecString_t vecOptions( vwArgContext.GetArgs() );
+ CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
+ while( it != vecOptions.end() )
+ {
+ const CMIUtilString & rTxt( *it );
+ if( IsFilePath( rTxt ) )
+ {
+ m_bFound = true;
+
+ if( vwArgContext.RemoveArg( rTxt ) )
+ {
+ m_bValid = true;
+ m_argValue = rTxt.Trim( '"' );
+ return MIstatus::success;
+ }
+ else
+ return MIstatus::success;
+ }
+
+ // Next
+ ++it;
+ }
+
+ return MIstatus::failure;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Given some text extract the file name path from it. If a space is found in
+// path done return the path surrounded in quotes.
+// Type: Method.
+// Args: vrTxt - (R) The text to extract the file name path from.
+// Return: CMIUtilString - File name and or path.
+// Throws: None.
+//--
+CMIUtilString CMICmdArgValFile::GetFileNamePath( const CMIUtilString & vrTxt ) const
+{
+ CMIUtilString fileNamePath( vrTxt );
+
+ // Look for a space in the path
+ const MIchar cSpace = ' ';
+ const MIint nPos = fileNamePath.find( cSpace );
+ if( nPos != (MIint) std::string::npos )
+ fileNamePath = CMIUtilString::Format( "\"%s\"", fileNamePath.c_str() );
+
+ return fileNamePath;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Examine the string and determine if it is a valid file name path.
+// Type: Method.
+// Args: vrFileNamePath - (R) File's name and directory path.
+// Return: bool - True = yes valid file path, false = no.
+// Throws: None.
+//--
+bool CMICmdArgValFile::IsFilePath( const CMIUtilString & vrFileNamePath ) const
+{
+ if( vrFileNamePath.empty() )
+ return false;
+
+ const bool bHavePosSlash = (vrFileNamePath.find_first_of( "/" ) != std::string::npos);
+ const bool bHaveBckSlash = (vrFileNamePath.find_first_of( "\\" ) != std::string::npos);
+
+ // Look for --someLongOption
+ MIint nPos = vrFileNamePath.find_first_of( "--" );
+ const bool bLong = (nPos == 0);
+ if( bLong )
+ return false;
+
+ // Look for -f type short parameters
+ nPos = vrFileNamePath.find_first_of( "-" );
+ const bool bShort = (nPos == 0);
+ if( bShort )
+ return false;
+
+ // Look for i1 i2 i3....
+ nPos = vrFileNamePath.find_first_of( "i" );
+ const bool bFoundI1 = ((nPos == 0) && (::isdigit( vrFileNamePath[ 1 ] )) );
+ if( bFoundI1 )
+ return false;
+
+ const bool bValidChars = IsValidChars( vrFileNamePath );
+ if( bValidChars || bHavePosSlash || bHaveBckSlash )
+ return true;
+
+ return false;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Determine if the path contains valid characters for a file path. Letters can be
+// either upper or lower case.
+// Type: Method.
+// Args: vrText - (R) The text data to examine.
+// Return: bool - True = yes valid, false = one or more chars is valid.
+// Throws: None.
+//--
+bool CMICmdArgValFile::IsValidChars( const CMIUtilString & vrText ) const
+{
+ const MIchar * pPtr = const_cast< MIchar * >( vrText.c_str() );
+ for( MIuint i = 0; i < vrText.length(); i++, pPtr++ )
+ {
+ const MIchar c = *pPtr;
+ if( ::isalnum( (int) c ) == 0 )
+ {
+ if( (c != '.') && (c != '-') && (c != '_') )
+ return false;
+ }
+ }
+
+ return true;
+}