forked from OSchip/llvm-project
372 lines
13 KiB
C++
372 lines
13 KiB
C++
//===-- MICmdArgValString.cpp -----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//++
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// File: MICmdArgValString.cpp
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//
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// Overview: CMICmdArgValString implementation.
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//
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// Environment: Compilers: Visual C++ 12.
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// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
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// Libraries: See MIReadmetxt.
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//
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// Copyright: None.
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//--
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// In-house headers:
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#include "MICmdArgValString.h"
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#include "MICmdArgContext.h"
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: None.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString(void)
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: m_bHandleQuotedString(false)
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, m_bAcceptNumbers(false)
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, m_bHandleDirPaths(false)
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, m_bHandleAnything(false)
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: vbAnything - (R) True = Parse a string and accept anything, false = do not accept anything.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString(const bool vbAnything)
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: m_bHandleQuotedString(vbAnything ? true : false)
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, m_bAcceptNumbers(false)
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, m_bHandleDirPaths(false)
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, m_bHandleAnything(vbAnything)
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: vbHandleQuotes - (R) True = Parse a string surrounded by quotes spaces are not delimitors, false = only text up to
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// next delimiting space character.
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// vbAcceptNumbers - (R) True = Parse a string and accept as a number if number, false = numbers not recognised
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// as string types.
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// vbHandleDirPaths - (R) True = Parse a string and accept as a file path if a path, false = file paths are not
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// recognised as string types.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString(const bool vbHandleQuotes, const bool vbAcceptNumbers, const bool vbHandleDirPaths)
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: m_bHandleQuotedString(vbHandleQuotes)
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, m_bAcceptNumbers(vbAcceptNumbers)
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, m_bHandleDirPaths(vbHandleDirPaths)
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, m_bHandleAnything(false)
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString constructor.
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// Type: Method.
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// Args: vrArgName - (R) Argument's name to search by.
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// vbMandatory - (R) True = Yes must be present, false = optional argument.
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// vbHandleByCmd - (R) True = Command processes *this option, false = not handled.
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// vbHandleQuotes - (R) True = Parse a string surrounded by quotes spaces are not delimitors, false = only text up to
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// next delimiting space character. (Dflt = false)
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// vbAcceptNumbers - (R) True = Parse a string and accept as a number if number, false = numbers not recognised as
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// string types. (Dflt = false)
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::CMICmdArgValString(const CMIUtilString &vrArgName, const bool vbMandatory, const bool vbHandleByCmd,
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const bool vbHandleQuotes /* = false */, const bool vbAcceptNumbers /* = false */)
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: CMICmdArgValBaseTemplate(vrArgName, vbMandatory, vbHandleByCmd)
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, m_bHandleQuotedString(vbHandleQuotes)
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, m_bAcceptNumbers(vbAcceptNumbers)
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, m_bHandleDirPaths(false)
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, m_bHandleAnything(false)
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: CMICmdArgValString destructor.
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// Type: Overridden.
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// Args: None.
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// Return: None.
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// Throws: None.
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//--
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CMICmdArgValString::~CMICmdArgValString(void)
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{
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract the value *this
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// argument is looking for.
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// Type: Overridden.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::Validate(CMICmdArgContext &vrwArgContext)
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{
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if (vrwArgContext.IsEmpty())
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return MIstatus::success;
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if (m_bHandleQuotedString)
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return ValidateQuotedText(vrwArgContext);
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return ValidateSingleText(vrwArgContext);
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract only the next
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// word delimited by the next space.
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// Type: Method.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::ValidateSingleText(CMICmdArgContext &vrwArgContext)
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{
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const CMIUtilString::VecString_t vecOptions(vrwArgContext.GetArgs());
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CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
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while (it != vecOptions.end())
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{
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const CMIUtilString &rArg(*it);
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if (IsStringArg(rArg))
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{
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m_bFound = true;
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if (vrwArgContext.RemoveArg(rArg))
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{
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m_bValid = true;
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m_argValue = rArg.StripSlashes();
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return MIstatus::success;
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}
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else
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return MIstatus::failure;
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}
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// Next
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++it;
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}
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return MIstatus::failure;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Parse the command's argument options string and try to extract all the words
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// between quotes then delimited by the next space.
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// Type: Method.
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// Args: vrwArgContext - (RW) The command's argument options string.
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// Return: MIstatus::success - Functional succeeded.
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// MIstatus::failure - Functional failed.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::ValidateQuotedText(CMICmdArgContext &vrwArgContext)
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{
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const CMIUtilString::VecString_t vecOptions(vrwArgContext.GetArgs());
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if (vecOptions.size() == 0)
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return MIstatus::failure;
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const CMIUtilString &rArg(vecOptions[0]);
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if (!IsStringArg(rArg))
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return MIstatus::failure;
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m_bFound = true;
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if (vrwArgContext.RemoveArg(rArg))
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{
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m_bValid = true;
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const MIchar cQuote = '"';
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m_argValue = rArg.Trim(cQuote).StripSlashes();
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return MIstatus::success;
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}
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return MIstatus::failure;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::IsStringArg(const CMIUtilString &vrTxt) const
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{
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if (m_bHandleQuotedString)
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return (IsStringArgQuotedText(vrTxt) || IsStringArgQuotedTextEmbedded(vrTxt) || IsStringArgQuotedQuotedTextEmbedded(vrTxt) ||
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IsStringArgSingleText(vrTxt)); // Still test for this as could just be one word still
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return IsStringArgSingleText(vrTxt);
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument or
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// option value. If the string looks like a long option, short option, a thread
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// group ID or just a number it is rejected as a string type value. There is an
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// option to allow the string to accept a number as a string type.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid argument value, false = something else.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::IsStringArgSingleText(const CMIUtilString &vrTxt) const
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{
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if (!m_bHandleDirPaths)
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{
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// Look for directory file paths, if found reject
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const bool bHavePosSlash = (vrTxt.find_first_of("/") != std::string::npos);
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const bool bHaveBckSlash = (vrTxt.find_first_of("\\") != std::string::npos);
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if (bHavePosSlash || bHaveBckSlash)
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return false;
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}
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// Look for --someLongOption, if found reject
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if (0 == vrTxt.find("--"))
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return false;
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// Look for -f type short options, if found reject
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if ((0 == vrTxt.find("-")) && (vrTxt.length() == 2))
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return false;
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// Look for thread group i1 i2 i3...., if found reject
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if ((vrTxt.find("i") == 0) && ::isdigit(vrTxt[1]))
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return false;
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// Look for numbers, if found reject
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if (!m_bAcceptNumbers && vrTxt.IsNumber())
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return false;
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return true;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Take into account quotes surrounding the text. Note this function falls
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// through to IsStringArgSingleText() should the criteria match fail.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::IsStringArgQuotedText(const CMIUtilString &vrTxt) const
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{
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// Accept anything as string word
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if (m_bHandleAnything)
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return true;
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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const MIchar cQuote = '"';
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const MIint nPos = vrTxt.find(cQuote);
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if (nPos == (MIint)std::string::npos)
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return false;
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// Is one and only quote at end of the string
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if (nPos == (MIint)(vrTxt.length() - 1))
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return false;
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// Quote must be the first character in the string or be preceeded by a space
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// Also check for embedded string formating quote
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const MIchar cBckSlash = '\\';
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const MIchar cSpace = ' ';
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if ((nPos > 1) && (vrTxt[nPos - 1] == cBckSlash) && (vrTxt[nPos - 2] != cSpace))
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{
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return false;
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}
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if ((nPos > 0) && (vrTxt[nPos - 1] != cSpace))
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return false;
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// Need to find the other quote
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const MIint nPos2 = vrTxt.rfind(cQuote);
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if (nPos2 == (MIint)std::string::npos)
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return false;
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// Make sure not same quote, need two quotes
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if (nPos == nPos2)
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return MIstatus::failure;
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return true;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Take into account quotes surrounding the text. Take into account string format
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// embedded quotes surrounding the text i.e. "\\\"%5d\\\"". Note this function falls
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// through to IsStringArgQuotedText() should the criteria match fail.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::IsStringArgQuotedTextEmbedded(const CMIUtilString &vrTxt) const
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{
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// CODETAG_QUOTEDTEXT_SIMILAR_CODE
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const MIchar cBckSlash = '\\';
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const MIint nPos = vrTxt.find(cBckSlash);
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if (nPos == (MIint)std::string::npos)
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return false;
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// Slash must be the first character in the string or be preceeded by a space
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const MIchar cSpace = ' ';
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if ((nPos > 0) && (vrTxt[nPos - 1] != cSpace))
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return false;
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// Need to find the other matching slash
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const MIint nPos2 = vrTxt.rfind(cBckSlash);
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if (nPos2 == (MIint)std::string::npos)
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return false;
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// Make sure not same back slash, need two slashs
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if (nPos == nPos2)
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return MIstatus::failure;
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return false;
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}
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//++ ------------------------------------------------------------------------------------
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// Details: Examine the string and determine if it is a valid string type argument.
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// Take into account quotes surrounding the text. Take into account string format
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// embedded quotes surrounding the text i.e. "\\\"%5d\\\"". Note this function falls
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// through to IsStringArgQuotedTextEmbedded() should the criteria match fail.
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// Type: Method.
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// Args: vrTxt - (R) Some text.
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// Return: bool - True = yes valid arg, false = no.
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// Throws: None.
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//--
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bool
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CMICmdArgValString::IsStringArgQuotedQuotedTextEmbedded(const CMIUtilString &vrTxt) const
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{
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const MIint nPos = vrTxt.find("\"\\\"");
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if (nPos == (MIint)std::string::npos)
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return false;
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const MIint nPos2 = vrTxt.rfind("\\\"\"");
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if (nPos2 == (MIint)std::string::npos)
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return false;
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const MIint nLen = vrTxt.length();
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if ((nLen > 5) && ((nPos + 2) == (nPos2 - 2)))
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return false;
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return true;
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}
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