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-rw-r--r--tools/lldb-mi/MICmdArgValString.cpp380
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diff --git a/tools/lldb-mi/MICmdArgValString.cpp b/tools/lldb-mi/MICmdArgValString.cpp
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--- a/tools/lldb-mi/MICmdArgValString.cpp
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-//===-- MICmdArgValString.cpp -----------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-// In-house headers:
-#include "MICmdArgValString.h"
-#include "MICmdArgContext.h"
-
-//++
-// Details: CMICmdArgValString constructor.
-// Type: Method.
-// Args: None.
-// Return: None.
-// Throws: None.
-//--
-CMICmdArgValString::CMICmdArgValString()
- : m_bHandleQuotedString(false), m_bAcceptNumbers(false),
- m_bHandleDirPaths(false), m_bHandleAnything(false) {}
-
-//++
-// Details: CMICmdArgValString constructor.
-// Type: Method.
-// Args: vbAnything - (R) True = Parse a string and accept anything, false =
-// do not accept anything.
-// Return: None.
-// Throws: None.
-//--
-CMICmdArgValString::CMICmdArgValString(const bool vbAnything)
- : m_bHandleQuotedString(vbAnything), m_bAcceptNumbers(false),
- m_bHandleDirPaths(false), m_bHandleAnything(vbAnything) {}
-
-//++
-// Details: CMICmdArgValString constructor.
-// Type: Method.
-// Args: vbHandleQuotes - (R) True = Parse a string surrounded by quotes
-// spaces are not delimiters, false = only text up to
-// next delimiting space character.
-// vbAcceptNumbers - (R) True = Parse a string and accept as a
-// number if number, false = numbers not recognised
-// as string types.
-// vbHandleDirPaths - (R) True = Parse a string and accept as a file
-// path if a path, false = file paths are not
-// recognised as string types.
-// Return: None.
-// Throws: None.
-//--
-CMICmdArgValString::CMICmdArgValString(const bool vbHandleQuotes,
- const bool vbAcceptNumbers,
- const bool vbHandleDirPaths)
- : m_bHandleQuotedString(vbHandleQuotes), m_bAcceptNumbers(vbAcceptNumbers),
- m_bHandleDirPaths(vbHandleDirPaths), m_bHandleAnything(false) {}
-
-//++
-// Details: CMICmdArgValString 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.
-// vbHandleQuotes - (R) True = Parse a string surrounded by quotes
-// spaces are not delimiters, false = only text up to
-// next delimiting space character. (Dflt = false)
-// vbAcceptNumbers - (R) True = Parse a string and accept as a number
-// if number, false = numbers not recognised as
-// string types. (Dflt = false)
-// Return: None.
-// Throws: None.
-//--
-CMICmdArgValString::CMICmdArgValString(const CMIUtilString &vrArgName,
- const bool vbMandatory,
- const bool vbHandleByCmd,
- const bool vbHandleQuotes /* = false */,
- const bool vbAcceptNumbers /* = false */)
- : CMICmdArgValBaseTemplate(vrArgName, vbMandatory, vbHandleByCmd),
- m_bHandleQuotedString(vbHandleQuotes), m_bAcceptNumbers(vbAcceptNumbers),
- m_bHandleDirPaths(false), m_bHandleAnything(false) {}
-
-//++
-// Details: CMICmdArgValString 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.
-// vbHandleQuotes - (R) True = Parse a string surrounded by quotes
-// spaces are not delimiters, false = only text up to
-// next delimiting space character.
-// vbAcceptNumbers - (R) True = Parse a string and accept as a number
-// if number, false = numbers not recognised as
-// vbHandleDirPaths - (R) True = Parse a string and accept as a file
-// path if a path, false = file paths are not
-// string types.
-// Return: None.
-// Throws: None.
-//--
-CMICmdArgValString::CMICmdArgValString(const CMIUtilString &vrArgName,
- const bool vbMandatory,
- const bool vbHandleByCmd,
- const bool vbHandleQuotes,
- const bool vbAcceptNumbers,
- const bool vbHandleDirPaths)
- : CMICmdArgValBaseTemplate(vrArgName, vbMandatory, vbHandleByCmd),
- m_bHandleQuotedString(vbHandleQuotes), m_bAcceptNumbers(vbAcceptNumbers),
- m_bHandleDirPaths(vbHandleDirPaths), m_bHandleAnything(false) {}
-
-//++
-// Details: CMICmdArgValString destructor.
-// Type: Overridden.
-// Args: None.
-// Return: None.
-// Throws: None.
-//--
-CMICmdArgValString::~CMICmdArgValString() {}
-
-//++
-// Details: Parse the command's argument options string and try to extract the
-// value *this
-// argument is looking for.
-// Type: Overridden.
-// Args: vrwArgContext - (RW) The command's argument options string.
-// Return: MIstatus::success - Functional succeeded.
-// MIstatus::failure - Functional failed.
-// Throws: None.
-//--
-bool CMICmdArgValString::Validate(CMICmdArgContext &vrwArgContext) {
- if (vrwArgContext.IsEmpty())
- return m_bMandatory ? MIstatus::failure : MIstatus::success;
-
- if (m_bHandleQuotedString)
- return ValidateQuotedText(vrwArgContext);
-
- return ValidateSingleText(vrwArgContext);
-}
-
-//++
-// Details: Parse the command's argument options string and try to extract only
-// the next
-// word delimited by the next space.
-// Type: Method.
-// Args: vrwArgContext - (RW) The command's argument options string.
-// Return: MIstatus::success - Functional succeeded.
-// MIstatus::failure - Functional failed.
-// Throws: None.
-//--
-bool CMICmdArgValString::ValidateSingleText(CMICmdArgContext &vrwArgContext) {
- const CMIUtilString::VecString_t vecOptions(vrwArgContext.GetArgs());
- CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
- while (it != vecOptions.end()) {
- const CMIUtilString &rArg(*it);
- if (IsStringArg(rArg)) {
- m_bFound = true;
-
- if (vrwArgContext.RemoveArg(rArg)) {
- m_bValid = true;
- m_argValue = rArg.StripSlashes();
- return MIstatus::success;
- } else
- return MIstatus::failure;
- }
-
- // Next
- ++it;
- }
-
- return MIstatus::failure;
-}
-
-//++
-// Details: Parse the command's argument options string and try to extract all
-// the words
-// between quotes then delimited by the next space.
-// Type: Method.
-// Args: vrwArgContext - (RW) The command's argument options string.
-// Return: MIstatus::success - Functional succeeded.
-// MIstatus::failure - Functional failed.
-// Throws: None.
-//--
-bool CMICmdArgValString::ValidateQuotedText(CMICmdArgContext &vrwArgContext) {
- const CMIUtilString::VecString_t vecOptions(vrwArgContext.GetArgs());
- if (vecOptions.size() == 0)
- return MIstatus::failure;
-
- const CMIUtilString &rArg(vecOptions[0]);
- if (!IsStringArg(rArg))
- return MIstatus::failure;
-
- m_bFound = true;
-
- if (vrwArgContext.RemoveArg(rArg)) {
- m_bValid = true;
- const char cQuote = '"';
- m_argValue = rArg.Trim(cQuote).StripSlashes();
- return MIstatus::success;
- }
-
- return MIstatus::failure;
-}
-
-//++
-// Details: Examine the string and determine if it is a valid string type
-// argument.
-// Type: Method.
-// Args: vrTxt - (R) Some text.
-// Return: bool - True = yes valid arg, false = no.
-// Throws: None.
-//--
-bool CMICmdArgValString::IsStringArg(const CMIUtilString &vrTxt) const {
- if (m_bHandleQuotedString)
- return (IsStringArgQuotedText(vrTxt) ||
- IsStringArgQuotedTextEmbedded(vrTxt) ||
- IsStringArgQuotedQuotedTextEmbedded(vrTxt) ||
- IsStringArgSingleText(
- vrTxt)); // Still test for this as could just be one word still
-
- return IsStringArgSingleText(vrTxt);
-}
-
-//++
-// Details: Examine the string and determine if it is a valid string type
-// argument or
-// option value. If the string looks like a long option, short option,
-// a thread
-// group ID or just a number it is rejected as a string type value.
-// There is an
-// option to allow the string to accept a number as a string type.
-// Type: Method.
-// Args: vrTxt - (R) Some text.
-// Return: bool - True = yes valid argument value, false = something else.
-// Throws: None.
-//--
-bool CMICmdArgValString::IsStringArgSingleText(
- const CMIUtilString &vrTxt) const {
- if (!m_bHandleDirPaths) {
- // Look for directory file paths, if found reject
- const bool bHavePosSlash = (vrTxt.find('/') != std::string::npos);
- const bool bHaveBckSlash = (vrTxt.find('\\') != std::string::npos);
- if (bHavePosSlash || bHaveBckSlash)
- return false;
- }
-
- // Look for --someLongOption, if found reject
- if (0 == vrTxt.find("--"))
- return false;
-
- // Look for -f type short options, if found reject
- if ((0 == vrTxt.find('-')) && (vrTxt.length() == 2))
- return false;
-
- // Look for thread group i1 i2 i3...., if found reject
- if ((vrTxt.find('i') == 0) && ::isdigit(vrTxt[1]))
- return false;
-
- // Look for numbers, if found reject
- if (!m_bAcceptNumbers && vrTxt.IsNumber())
- return false;
-
- return true;
-}
-
-//++
-// Details: Examine the string and determine if it is a valid string type
-// argument.
-// Take into account quotes surrounding the text. Note this function
-// falls
-// through to IsStringArgSingleText() should the criteria match fail.
-// Type: Method.
-// Args: vrTxt - (R) Some text.
-// Return: bool - True = yes valid arg, false = no.
-// Throws: None.
-//--
-bool CMICmdArgValString::IsStringArgQuotedText(
- const CMIUtilString &vrTxt) const {
- // Accept anything as string word
- if (m_bHandleAnything)
- return true;
-
- // CODETAG_QUOTEDTEXT_SIMILAR_CODE
- const char cQuote = '"';
- const size_t nPos = vrTxt.find(cQuote);
- if (nPos == std::string::npos)
- return false;
-
- // Is one and only quote at end of the string
- if (nPos == (vrTxt.length() - 1))
- return false;
-
- // Quote must be the first character in the string or be preceded by a space
- // Also check for embedded string formating quote
- const char cBckSlash = '\\';
- const char cSpace = ' ';
- if ((nPos > 1) && (vrTxt[nPos - 1] == cBckSlash) &&
- (vrTxt[nPos - 2] != cSpace)) {
- return false;
- }
- if ((nPos > 0) && (vrTxt[nPos - 1] != cSpace))
- return false;
-
- // Need to find the other quote
- const size_t nPos2 = vrTxt.rfind(cQuote);
- if (nPos2 == std::string::npos)
- return false;
-
- // Make sure not same quote, need two quotes
- if (nPos == nPos2)
- return MIstatus::failure;
-
- return true;
-}
-
-//++
-// Details: Examine the string and determine if it is a valid string type
-// argument.
-// Take into account quotes surrounding the text. Take into account
-// string format
-// embedded quotes surrounding the text i.e. "\\\"%5d\\\"". Note this
-// function falls
-// through to IsStringArgQuotedText() should the criteria match fail.
-// Type: Method.
-// Args: vrTxt - (R) Some text.
-// Return: bool - True = yes valid arg, false = no.
-// Throws: None.
-//--
-bool CMICmdArgValString::IsStringArgQuotedTextEmbedded(
- const CMIUtilString &vrTxt) const {
- // CODETAG_QUOTEDTEXT_SIMILAR_CODE
- const char cBckSlash = '\\';
- const size_t nPos = vrTxt.find(cBckSlash);
- if (nPos == std::string::npos)
- return false;
-
- // Slash must be the first character in the string or be preceded by a space
- const char cSpace = ' ';
- if ((nPos > 0) && (vrTxt[nPos - 1] != cSpace))
- return false;
-
- // Need to find the other matching slash
- const size_t nPos2 = vrTxt.rfind(cBckSlash);
- if (nPos2 == std::string::npos)
- return false;
-
- // Make sure not same back slash, need two slashes
- if (nPos == nPos2)
- return MIstatus::failure;
-
- return false;
-}
-
-//++
-// Details: Examine the string and determine if it is a valid string type
-// argument.
-// Take into account quotes surrounding the text. Take into account
-// string format
-// embedded quotes surrounding the text i.e. "\\\"%5d\\\"". Note this
-// function falls
-// through to IsStringArgQuotedTextEmbedded() should the criteria match
-// fail.
-// Type: Method.
-// Args: vrTxt - (R) Some text.
-// Return: bool - True = yes valid arg, false = no.
-// Throws: None.
-//--
-bool CMICmdArgValString::IsStringArgQuotedQuotedTextEmbedded(
- const CMIUtilString &vrTxt) const {
- const size_t nPos = vrTxt.find("\"\\\"");
- if (nPos == std::string::npos)
- return false;
-
- const size_t nPos2 = vrTxt.rfind("\\\"\"");
- if (nPos2 == std::string::npos)
- return false;
-
- const size_t nLen = vrTxt.length();
- return !((nLen > 5) && ((nPos + 2) == (nPos2 - 2)));
-}