| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file LICENSE.rst or https://cmake.org/licensing for details. */ |
| // NOLINTNEXTLINE(bugprone-reserved-identifier) |
| #define _SCL_SECURE_NO_WARNINGS |
| |
| #include "cmStringCommand.h" |
| |
| #include <cstdio> |
| #include <cstdlib> |
| #include <exception> |
| #include <limits> |
| #include <memory> |
| #include <stdexcept> |
| #include <utility> |
| |
| #include <cm/iterator> |
| #include <cm/optional> |
| #include <cm/string_view> |
| #include <cmext/string_view> |
| |
| #include <cm3p/json/reader.h> |
| #include <cm3p/json/value.h> |
| #include <cm3p/json/writer.h> |
| |
| #include "cmCMakeString.hxx" |
| #include "cmExecutionStatus.h" |
| #include "cmList.h" |
| #include "cmMakefile.h" |
| #include "cmMessageType.h" |
| #include "cmRange.h" |
| #include "cmStringAlgorithms.h" |
| #include "cmSubcommandTable.h" |
| |
| namespace { |
| |
| bool RegexMatch(std::vector<std::string> const& args, |
| cmExecutionStatus& status); |
| bool RegexMatchAll(std::vector<std::string> const& args, |
| cmExecutionStatus& status); |
| bool RegexReplace(std::vector<std::string> const& args, |
| cmExecutionStatus& status); |
| bool RegexQuote(std::vector<std::string> const& args, |
| cmExecutionStatus& status); |
| |
| bool joinImpl(std::vector<std::string> const& args, std::string const& glue, |
| size_t varIdx, cmMakefile& makefile); |
| |
| bool HandleHashCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError( |
| cmStrCat(args[0], " requires an output variable and an input string")); |
| return false; |
| } |
| |
| cm::CMakeString data{ args[2] }; |
| |
| try { |
| data.Hash(args[0]); |
| status.GetMakefile().AddDefinition(args[1], data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError(e.what()); |
| return false; |
| } |
| } |
| |
| bool HandleToUpperLowerCommand(std::vector<std::string> const& args, |
| bool toUpper, cmExecutionStatus& status) |
| { |
| if (args.size() < 3) { |
| status.SetError("no output variable specified"); |
| return false; |
| } |
| |
| std::string const& outvar = args[2]; |
| cm::CMakeString data{ args[1] }; |
| |
| if (toUpper) { |
| data.ToUpper(); |
| } else { |
| data.ToLower(); |
| } |
| |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, data); |
| return true; |
| } |
| |
| bool HandleToUpperCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| return HandleToUpperLowerCommand(args, true, status); |
| } |
| |
| bool HandleToLowerCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| return HandleToUpperLowerCommand(args, false, status); |
| } |
| |
| bool HandleAsciiCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 3) { |
| status.SetError("No output variable specified"); |
| return false; |
| } |
| |
| try { |
| std::string const& outvar = args.back(); |
| cm::CMakeString data; |
| data.FromASCII(cmMakeRange(args).advance(1).retreat(1)); |
| status.GetMakefile().AddDefinition(outvar, data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError(e.what()); |
| return false; |
| } |
| } |
| |
| bool HandleHexCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError("Incorrect number of arguments"); |
| return false; |
| } |
| |
| auto const& outvar = args[2]; |
| cm::CMakeString data{ args[1] }; |
| |
| data.ToHexadecimal(); |
| |
| status.GetMakefile().AddDefinition(outvar, data); |
| return true; |
| } |
| |
| bool HandleConfigureCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("No input string specified."); |
| return false; |
| } |
| if (args.size() < 3) { |
| status.SetError("No output variable specified."); |
| return false; |
| } |
| |
| // Parse options. |
| bool escapeQuotes = false; |
| bool atOnly = false; |
| for (unsigned int i = 3; i < args.size(); ++i) { |
| if (args[i] == "@ONLY") { |
| atOnly = true; |
| } else if (args[i] == "ESCAPE_QUOTES") { |
| escapeQuotes = true; |
| } else { |
| status.SetError(cmStrCat("Unrecognized argument \"", args[i], '"')); |
| return false; |
| } |
| } |
| |
| // Configure the string. |
| std::string output; |
| status.GetMakefile().ConfigureString(args[1], output, atOnly, escapeQuotes); |
| |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(args[2], output); |
| |
| return true; |
| } |
| |
| bool HandleRegexCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("sub-command REGEX requires a mode to be specified."); |
| return false; |
| } |
| std::string const& mode = args[1]; |
| if (mode == "MATCH") { |
| if (args.size() < 5) { |
| status.SetError("sub-command REGEX, mode MATCH needs " |
| "at least 5 arguments total to command."); |
| return false; |
| } |
| return RegexMatch(args, status); |
| } |
| if (mode == "MATCHALL") { |
| if (args.size() < 5) { |
| status.SetError("sub-command REGEX, mode MATCHALL needs " |
| "at least 5 arguments total to command."); |
| return false; |
| } |
| return RegexMatchAll(args, status); |
| } |
| if (mode == "REPLACE") { |
| if (args.size() < 6) { |
| status.SetError("sub-command REGEX, mode REPLACE needs " |
| "at least 6 arguments total to command."); |
| return false; |
| } |
| return RegexReplace(args, status); |
| } |
| if (mode == "QUOTE") { |
| if (args.size() < 4) { |
| status.SetError("sub-command REGEX, mode QUOTE needs " |
| "at least 4 arguments total to command."); |
| return false; |
| } |
| return RegexQuote(args, status); |
| } |
| |
| std::string e = "sub-command REGEX does not recognize mode " + mode; |
| status.SetError(e); |
| return false; |
| } |
| |
| bool RegexMatch(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| //"STRING(REGEX MATCH <regular_expression> <output variable> |
| // <input> [<input>...])\n"; |
| try { |
| std::string const& regex = args[2]; |
| std::string const& outvar = args[3]; |
| cm::CMakeString data{ cmMakeRange(args).advance(4) }; |
| |
| auto result = data.Match(regex, cm::CMakeString::MatchItems::Once, |
| &status.GetMakefile()); |
| // Store the result in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, result.to_string()); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError( |
| cmStrCat("sub-command REGEX, mode MATCH: ", e.what(), '.')); |
| return false; |
| } |
| } |
| |
| bool RegexMatchAll(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| //"STRING(REGEX MATCHALL <regular_expression> <output variable> <input> |
| // [<input>...])\n"; |
| try { |
| std::string const& regex = args[2]; |
| std::string const& outvar = args[3]; |
| cm::CMakeString data{ cmMakeRange(args).advance(4) }; |
| |
| auto result = data.Match(regex, cm::CMakeString::MatchItems::All, |
| &status.GetMakefile()); |
| // Store the result in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, result.to_string()); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError( |
| cmStrCat("sub-command REGEX, mode MATCHALL: ", e.what(), '.')); |
| return false; |
| } |
| } |
| |
| bool RegexReplace(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| //"STRING(REGEX REPLACE <regular_expression> <replace_expression> |
| // <output variable> <input> [<input>...])\n" |
| std::string const& regex = args[2]; |
| std::string const& replace = args[3]; |
| std::string const& outvar = args[4]; |
| |
| try { |
| cm::CMakeString data{ cmMakeRange(args).advance(5) }; |
| |
| data.Replace(regex, replace, cm::CMakeString::Regex::Yes, |
| &status.GetMakefile()); |
| // Store the result in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError( |
| cmStrCat("sub-command REGEX, mode REPLACE: ", e.what(), '.')); |
| return false; |
| } |
| } |
| |
| bool RegexQuote(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| //"STRING(REGEX QUOTE <output variable> <input> [<input>...]\n" |
| std::string const& outvar = args[2]; |
| cm::CMakeString data{ cmMakeRange(args).advance(3) }; |
| |
| try { |
| // Escape all regex special characters |
| data.Quote(); |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError( |
| cmStrCat("sub-command REGEX, mode QUOTE: ", e.what(), '.')); |
| return false; |
| } |
| } |
| |
| bool HandleFindCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| // check if all required parameters were passed |
| if (args.size() < 4 || args.size() > 5) { |
| status.SetError("sub-command FIND requires 3 or 4 parameters."); |
| return false; |
| } |
| |
| // check if the reverse flag was set or not |
| bool reverseMode = false; |
| if (args.size() == 5 && args[4] == "REVERSE") { |
| reverseMode = true; |
| } |
| |
| // if we have 5 arguments the last one must be REVERSE |
| if (args.size() == 5 && args[4] != "REVERSE") { |
| status.SetError("sub-command FIND: unknown last parameter"); |
| return false; |
| } |
| |
| // local parameter names. |
| std::string const& sstring = args[1]; |
| std::string const& schar = args[2]; |
| std::string const& outvar = args[3]; |
| |
| // ensure that the user cannot accidentally specify REVERSE as a variable |
| if (outvar == "REVERSE") { |
| status.SetError("sub-command FIND does not allow one to select REVERSE as " |
| "the output variable. " |
| "Maybe you missed the actual output variable?"); |
| return false; |
| } |
| |
| // try to find the character and return its position |
| auto pos = cm::CMakeString{ sstring }.Find( |
| schar, |
| reverseMode ? cm::CMakeString::FindFrom::End |
| : cm::CMakeString::FindFrom::Begin); |
| |
| status.GetMakefile().AddDefinition( |
| outvar, pos != cm::CMakeString::npos ? std::to_string(pos) : "-1"); |
| |
| return true; |
| } |
| |
| bool HandleCompareCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("sub-command COMPARE requires a mode to be specified."); |
| return false; |
| } |
| std::string const& mode = args[1]; |
| if ((mode == "EQUAL") || (mode == "NOTEQUAL") || (mode == "LESS") || |
| (mode == "LESS_EQUAL") || (mode == "GREATER") || |
| (mode == "GREATER_EQUAL")) { |
| if (args.size() < 5) { |
| std::string e = |
| cmStrCat("sub-command COMPARE, mode ", mode, |
| " needs at least 5 arguments total to command."); |
| status.SetError(e); |
| return false; |
| } |
| |
| std::string const& left = args[2]; |
| std::string const& right = args[3]; |
| std::string const& outvar = args[4]; |
| bool result; |
| cm::CMakeString::CompOperator op = cm::CMakeString::CompOperator::EQUAL; |
| if (mode == "LESS") { |
| op = cm::CMakeString::CompOperator::LESS; |
| } else if (mode == "LESS_EQUAL") { |
| op = cm::CMakeString::CompOperator::LESS_EQUAL; |
| } else if (mode == "GREATER") { |
| op = cm::CMakeString::CompOperator::GREATER; |
| } else if (mode == "GREATER_EQUAL") { |
| op = cm::CMakeString::CompOperator::GREATER_EQUAL; |
| } |
| result = cm::CMakeString{ left }.Compare(op, right); |
| if (mode == "NOTEQUAL") { |
| result = !result; |
| } |
| |
| status.GetMakefile().AddDefinition(outvar, result ? "1" : "0"); |
| return true; |
| } |
| std::string e = "sub-command COMPARE does not recognize mode " + mode; |
| status.SetError(e); |
| return false; |
| } |
| |
| bool HandleReplaceCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 5) { |
| status.SetError("sub-command REPLACE requires at least four arguments."); |
| return false; |
| } |
| |
| try { |
| std::string const& matchExpression = args[1]; |
| std::string const& replaceExpression = args[2]; |
| std::string const& variableName = args[3]; |
| cm::CMakeString data{ cmMakeRange(args).advance(4) }; |
| |
| data.Replace(matchExpression, replaceExpression); |
| status.GetMakefile().AddDefinition(variableName, data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError(cmStrCat("sub-command REPLACE: ", e.what(), '.')); |
| return false; |
| } |
| } |
| |
| bool HandleSubstringCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 5) { |
| status.SetError("sub-command SUBSTRING requires four arguments."); |
| return false; |
| } |
| |
| try { |
| std::string const& stringValue = args[1]; |
| int begin = atoi(args[2].c_str()); |
| int end = atoi(args[3].c_str()); |
| std::string const& variableName = args[4]; |
| |
| cm::CMakeString data{ stringValue }; |
| status.GetMakefile().AddDefinition(variableName, |
| data.Substring(begin, end)); |
| } catch (std::exception const& e) { |
| status.SetError(e.what()); |
| return false; |
| } |
| return true; |
| } |
| |
| bool HandleLengthCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError("sub-command LENGTH requires two arguments."); |
| return false; |
| } |
| |
| std::string const& stringValue = args[1]; |
| std::string const& variableName = args[2]; |
| |
| status.GetMakefile().AddDefinition( |
| variableName, std::to_string(cm::CMakeString{ stringValue }.Length())); |
| return true; |
| } |
| |
| bool HandleAppendCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("sub-command APPEND requires at least one argument."); |
| return false; |
| } |
| |
| // Skip if nothing to append. |
| if (args.size() < 3) { |
| return true; |
| } |
| |
| auto const& variableName = args[1]; |
| cm::CMakeString data{ status.GetMakefile().GetDefinition(variableName) }; |
| |
| data.Append(cmMakeRange(args).advance(2)); |
| status.GetMakefile().AddDefinition(variableName, data); |
| |
| return true; |
| } |
| |
| bool HandlePrependCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("sub-command PREPEND requires at least one argument."); |
| return false; |
| } |
| |
| // Skip if nothing to prepend. |
| if (args.size() < 3) { |
| return true; |
| } |
| |
| std::string const& variable = args[1]; |
| cm::CMakeString data{ status.GetMakefile().GetDefinition(variable) }; |
| |
| data.Prepend(cmMakeRange(args).advance(2)); |
| status.GetMakefile().AddDefinition(variable, data); |
| return true; |
| } |
| |
| bool HandleConcatCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("sub-command CONCAT requires at least one argument."); |
| return false; |
| } |
| |
| return joinImpl(args, std::string(), 1, status.GetMakefile()); |
| } |
| |
| bool HandleJoinCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 3) { |
| status.SetError("sub-command JOIN requires at least two arguments."); |
| return false; |
| } |
| |
| return joinImpl(args, args[1], 2, status.GetMakefile()); |
| } |
| |
| bool joinImpl(std::vector<std::string> const& args, std::string const& glue, |
| size_t const varIdx, cmMakefile& makefile) |
| { |
| std::string const& variableName = args[varIdx]; |
| // NOTE Items to concat/join placed right after the variable for |
| // both `CONCAT` and `JOIN` sub-commands. |
| cm::CMakeString data{ cmMakeRange(args).advance(varIdx + 1), glue }; |
| |
| makefile.AddDefinition(variableName, data); |
| return true; |
| } |
| |
| bool HandleMakeCIdentifierCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError("sub-command MAKE_C_IDENTIFIER requires two arguments."); |
| return false; |
| } |
| |
| std::string const& input = args[1]; |
| std::string const& variableName = args[2]; |
| |
| status.GetMakefile().AddDefinition(variableName, |
| cm::CMakeString{}.MakeCIdentifier(input)); |
| return true; |
| } |
| |
| bool HandleGenexStripCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError("sub-command GENEX_STRIP requires two arguments."); |
| return false; |
| } |
| |
| cm::CMakeString data{ args[1] }; |
| std::string const& variableName = args[2]; |
| |
| status.GetMakefile().AddDefinition( |
| variableName, data.Strip(cm::CMakeString::StripItems::Genex)); |
| return true; |
| } |
| |
| bool HandleStripCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError("sub-command STRIP requires two arguments."); |
| return false; |
| } |
| |
| cm::CMakeString data{ args[1] }; |
| std::string const& variableName = args[2]; |
| |
| status.GetMakefile().AddDefinition(variableName, data.Strip()); |
| return true; |
| } |
| |
| bool HandleRepeatCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| cmMakefile& makefile = status.GetMakefile(); |
| |
| // `string(REPEAT "<str>" <times> OUTPUT_VARIABLE)` |
| enum ArgPos : std::size_t |
| { |
| SUB_COMMAND, |
| VALUE, |
| TIMES, |
| OUTPUT_VARIABLE, |
| TOTAL_ARGS |
| }; |
| |
| if (args.size() != ArgPos::TOTAL_ARGS) { |
| makefile.IssueMessage(MessageType::FATAL_ERROR, |
| "sub-command REPEAT requires three arguments."); |
| return true; |
| } |
| |
| unsigned long times; |
| if (!cmStrToULong(args[ArgPos::TIMES], ×)) { |
| makefile.IssueMessage(MessageType::FATAL_ERROR, |
| "repeat count is not a positive number."); |
| return true; |
| } |
| |
| cm::CMakeString data{ args[ArgPos::VALUE] }; |
| data.Repeat(times); |
| |
| auto const& variableName = args[ArgPos::OUTPUT_VARIABLE]; |
| |
| makefile.AddDefinition(variableName, data); |
| return true; |
| } |
| |
| bool HandleRandomCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2 || args.size() == 3 || args.size() == 5) { |
| status.SetError("sub-command RANDOM requires at least one argument."); |
| return false; |
| } |
| |
| int length = 5; |
| cm::string_view alphabet; |
| bool force_seed = false; |
| unsigned int seed = 0; |
| |
| if (args.size() > 3) { |
| size_t i = 1; |
| size_t stopAt = args.size() - 2; |
| |
| for (; i < stopAt; ++i) { |
| if (args[i] == "LENGTH") { |
| ++i; |
| length = atoi(args[i].c_str()); |
| } else if (args[i] == "ALPHABET") { |
| ++i; |
| alphabet = args[i]; |
| } else if (args[i] == "RANDOM_SEED") { |
| ++i; |
| seed = static_cast<unsigned int>(atoi(args[i].c_str())); |
| force_seed = true; |
| } |
| } |
| } |
| |
| try { |
| cm::CMakeString data; |
| std::string const& variableName = args.back(); |
| |
| if (force_seed) { |
| data.Random(seed, length, alphabet); |
| } else { |
| data.Random(length, alphabet); |
| } |
| status.GetMakefile().AddDefinition(variableName, data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError(cmStrCat("sub-command RANDOM: ", e.what(), '.')); |
| return false; |
| } |
| } |
| |
| bool HandleTimestampCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() < 2) { |
| status.SetError("sub-command TIMESTAMP requires at least one argument."); |
| return false; |
| } |
| if (args.size() > 4) { |
| status.SetError("sub-command TIMESTAMP takes at most three arguments."); |
| return false; |
| } |
| |
| unsigned int argsIndex = 1; |
| |
| std::string const& outputVariable = args[argsIndex++]; |
| |
| cm::string_view formatString; |
| if (args.size() > argsIndex && args[argsIndex] != "UTC") { |
| formatString = args[argsIndex++]; |
| } |
| |
| cm::CMakeString::UTC utcFlag = cm::CMakeString::UTC::No; |
| if (args.size() > argsIndex) { |
| if (args[argsIndex] == "UTC") { |
| utcFlag = cm::CMakeString::UTC::Yes; |
| } else { |
| std::string e = |
| cmStrCat(" TIMESTAMP sub-command does not recognize option ", |
| args[argsIndex], '.'); |
| status.SetError(e); |
| return false; |
| } |
| } |
| |
| cm::CMakeString data; |
| |
| status.GetMakefile().AddDefinition(outputVariable, |
| data.Timestamp(formatString, utcFlag)); |
| |
| return true; |
| } |
| |
| bool HandleUuidCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| #if !defined(CMAKE_BOOTSTRAP) |
| unsigned int argsIndex = 1; |
| |
| if (args.size() < 2) { |
| status.SetError("UUID sub-command requires an output variable."); |
| return false; |
| } |
| |
| std::string const& outputVariable = args[argsIndex++]; |
| |
| cm::string_view uuidNamespaceString; |
| cm::string_view uuidName; |
| cm::CMakeString::UUIDType uuidType = cm::CMakeString::UUIDType::MD5; |
| cm::CMakeString::Case uuidCase = cm::CMakeString::Case::Lower; |
| |
| while (args.size() > argsIndex) { |
| if (args[argsIndex] == "NAMESPACE") { |
| ++argsIndex; |
| if (argsIndex >= args.size()) { |
| status.SetError("UUID sub-command, NAMESPACE requires a value."); |
| return false; |
| } |
| uuidNamespaceString = args[argsIndex++]; |
| } else if (args[argsIndex] == "NAME") { |
| ++argsIndex; |
| if (argsIndex >= args.size()) { |
| status.SetError("UUID sub-command, NAME requires a value."); |
| return false; |
| } |
| uuidName = args[argsIndex++]; |
| } else if (args[argsIndex] == "TYPE") { |
| ++argsIndex; |
| if (argsIndex >= args.size()) { |
| status.SetError("UUID sub-command, TYPE requires a value."); |
| return false; |
| } |
| if (args[argsIndex] == "MD5") { |
| uuidType = cm::CMakeString::UUIDType::MD5; |
| } else if (args[argsIndex] == "SHA1") { |
| uuidType = cm::CMakeString::UUIDType::SHA1; |
| } else { |
| status.SetError( |
| cmStrCat("UUID sub-command, unknown TYPE '", args[argsIndex], "'.")); |
| return false; |
| } |
| argsIndex++; |
| } else if (args[argsIndex] == "UPPER") { |
| ++argsIndex; |
| uuidCase = cm::CMakeString::Case::Upper; |
| } else { |
| std::string e = cmStrCat("UUID sub-command does not recognize option ", |
| args[argsIndex], '.'); |
| status.SetError(e); |
| return false; |
| } |
| } |
| |
| try { |
| cm::CMakeString data; |
| |
| data.UUID(uuidNamespaceString, uuidName, uuidType, uuidCase); |
| status.GetMakefile().AddDefinition(outputVariable, data); |
| return true; |
| } catch (std::exception const& e) { |
| status.SetError(cmStrCat("UUID sub-command, ", e.what(), '.')); |
| return false; |
| } |
| #else |
| status.SetError("UUID sub-command not available during bootstrap."); |
| return false; |
| #endif |
| } |
| |
| #if !defined(CMAKE_BOOTSTRAP) |
| |
| // Helpers for string(JSON ...) |
| struct Args : cmRange<typename std::vector<std::string>::const_iterator> |
| { |
| using cmRange<typename std::vector<std::string>::const_iterator>::cmRange; |
| |
| auto PopFront(cm::string_view error) -> std::string const&; |
| auto PopBack(cm::string_view error) -> std::string const&; |
| }; |
| |
| class json_error : public std::runtime_error |
| { |
| public: |
| json_error(std::string const& message, |
| cm::optional<Args> errorPath = cm::nullopt) |
| : std::runtime_error(message) |
| , ErrorPath{ |
| std::move(errorPath) // NOLINT(performance-move-const-arg) |
| } |
| { |
| } |
| cm::optional<Args> ErrorPath; |
| }; |
| |
| std::string const& Args::PopFront(cm::string_view error) |
| { |
| if (this->empty()) { |
| throw json_error(std::string(error)); |
| } |
| std::string const& res = *this->begin(); |
| this->advance(1); |
| return res; |
| } |
| |
| std::string const& Args::PopBack(cm::string_view error) |
| { |
| if (this->empty()) { |
| throw json_error(std::string(error)); |
| } |
| std::string const& res = *(this->end() - 1); |
| this->retreat(1); |
| return res; |
| } |
| |
| cm::string_view JsonTypeToString(Json::ValueType type) |
| { |
| switch (type) { |
| case Json::ValueType::nullValue: |
| return "NULL"_s; |
| case Json::ValueType::intValue: |
| case Json::ValueType::uintValue: |
| case Json::ValueType::realValue: |
| return "NUMBER"_s; |
| case Json::ValueType::stringValue: |
| return "STRING"_s; |
| case Json::ValueType::booleanValue: |
| return "BOOLEAN"_s; |
| case Json::ValueType::arrayValue: |
| return "ARRAY"_s; |
| case Json::ValueType::objectValue: |
| return "OBJECT"_s; |
| } |
| throw json_error("invalid JSON type found"); |
| } |
| |
| int ParseIndex( |
| std::string const& str, cm::optional<Args> const& progress = cm::nullopt, |
| Json::ArrayIndex max = std::numeric_limits<Json::ArrayIndex>::max()) |
| { |
| unsigned long lindex; |
| if (!cmStrToULong(str, &lindex)) { |
| throw json_error(cmStrCat("expected an array index, got: '"_s, str, "'"_s), |
| progress); |
| } |
| Json::ArrayIndex index = static_cast<Json::ArrayIndex>(lindex); |
| if (index >= max) { |
| cmAlphaNum sizeStr{ max }; |
| throw json_error(cmStrCat("expected an index less than "_s, sizeStr.View(), |
| " got '"_s, str, "'"_s), |
| progress); |
| } |
| return index; |
| } |
| |
| Json::Value& ResolvePath(Json::Value& json, Args path) |
| { |
| Json::Value* search = &json; |
| |
| for (auto curr = path.begin(); curr != path.end(); ++curr) { |
| std::string const& field = *curr; |
| Args progress{ path.begin(), curr + 1 }; |
| |
| if (search->isArray()) { |
| auto index = ParseIndex(field, progress, search->size()); |
| search = &(*search)[index]; |
| |
| } else if (search->isObject()) { |
| if (!search->isMember(field)) { |
| auto const progressStr = cmJoin(progress, " "_s); |
| throw json_error(cmStrCat("member '"_s, progressStr, "' not found"_s), |
| progress); |
| } |
| search = &(*search)[field]; |
| } else { |
| auto const progressStr = cmJoin(progress, " "_s); |
| throw json_error( |
| cmStrCat("invalid path '"_s, progressStr, |
| "', need element of OBJECT or ARRAY type to lookup '"_s, |
| field, "' got "_s, JsonTypeToString(search->type())), |
| progress); |
| } |
| } |
| return *search; |
| } |
| |
| Json::Value ReadJson(std::string const& jsonstr) |
| { |
| Json::CharReaderBuilder builder; |
| builder["collectComments"] = false; |
| auto jsonReader = std::unique_ptr<Json::CharReader>(builder.newCharReader()); |
| Json::Value json; |
| std::string error; |
| if (!jsonReader->parse(jsonstr.data(), jsonstr.data() + jsonstr.size(), |
| &json, &error)) { |
| throw json_error( |
| cmStrCat("failed parsing json string:\n"_s, jsonstr, '\n', error)); |
| } |
| return json; |
| } |
| std::string WriteJson(Json::Value const& value) |
| { |
| Json::StreamWriterBuilder writer; |
| writer["indentation"] = " "; |
| writer["commentStyle"] = "None"; |
| return Json::writeString(writer, value); |
| } |
| |
| #endif |
| |
| bool HandleJSONCommand(std::vector<std::string> const& arguments, |
| cmExecutionStatus& status) |
| { |
| #if !defined(CMAKE_BOOTSTRAP) |
| |
| auto& makefile = status.GetMakefile(); |
| Args args{ arguments.begin() + 1, arguments.end() }; |
| |
| std::string const* errorVariable = nullptr; |
| std::string const* outputVariable = nullptr; |
| bool success = true; |
| |
| try { |
| outputVariable = &args.PopFront("missing out-var argument"_s); |
| |
| if (!args.empty() && *args.begin() == "ERROR_VARIABLE"_s) { |
| args.PopFront(""); |
| errorVariable = &args.PopFront("missing error-var argument"_s); |
| makefile.AddDefinition(*errorVariable, "NOTFOUND"_s); |
| } |
| |
| auto const& mode = args.PopFront("missing mode argument"_s); |
| if (mode != "GET"_s && mode != "TYPE"_s && mode != "MEMBER"_s && |
| mode != "LENGTH"_s && mode != "REMOVE"_s && mode != "SET"_s && |
| mode != "EQUAL"_s) { |
| throw json_error( |
| cmStrCat("got an invalid mode '"_s, mode, |
| "', expected one of GET, TYPE, MEMBER, LENGTH, REMOVE, SET, " |
| " EQUAL"_s)); |
| } |
| |
| auto const& jsonstr = args.PopFront("missing json string argument"_s); |
| Json::Value json = ReadJson(jsonstr); |
| |
| if (mode == "GET"_s) { |
| auto const& value = ResolvePath(json, args); |
| if (value.isObject() || value.isArray()) { |
| makefile.AddDefinition(*outputVariable, WriteJson(value)); |
| } else if (value.isBool()) { |
| makefile.AddDefinitionBool(*outputVariable, value.asBool()); |
| } else { |
| makefile.AddDefinition(*outputVariable, value.asString()); |
| } |
| |
| } else if (mode == "TYPE"_s) { |
| auto const& value = ResolvePath(json, args); |
| makefile.AddDefinition(*outputVariable, JsonTypeToString(value.type())); |
| |
| } else if (mode == "MEMBER"_s) { |
| auto const& indexStr = args.PopBack("missing member index"_s); |
| auto const& value = ResolvePath(json, args); |
| if (!value.isObject()) { |
| throw json_error( |
| cmStrCat("MEMBER needs to be called with an element of " |
| "type OBJECT, got "_s, |
| JsonTypeToString(value.type())), |
| args); |
| } |
| auto const index = ParseIndex( |
| indexStr, Args{ args.begin(), args.end() + 1 }, value.size()); |
| auto const memIt = std::next(value.begin(), index); |
| makefile.AddDefinition(*outputVariable, memIt.name()); |
| |
| } else if (mode == "LENGTH"_s) { |
| auto const& value = ResolvePath(json, args); |
| if (!value.isArray() && !value.isObject()) { |
| throw json_error(cmStrCat("LENGTH needs to be called with an " |
| "element of type ARRAY or OBJECT, got "_s, |
| JsonTypeToString(value.type())), |
| args); |
| } |
| |
| cmAlphaNum sizeStr{ value.size() }; |
| makefile.AddDefinition(*outputVariable, sizeStr.View()); |
| |
| } else if (mode == "REMOVE"_s) { |
| auto const& toRemove = |
| args.PopBack("missing member or index to remove"_s); |
| auto& value = ResolvePath(json, args); |
| |
| if (value.isArray()) { |
| auto const index = ParseIndex( |
| toRemove, Args{ args.begin(), args.end() + 1 }, value.size()); |
| Json::Value removed; |
| value.removeIndex(index, &removed); |
| |
| } else if (value.isObject()) { |
| Json::Value removed; |
| value.removeMember(toRemove, &removed); |
| |
| } else { |
| throw json_error(cmStrCat("REMOVE needs to be called with an " |
| "element of type ARRAY or OBJECT, got "_s, |
| JsonTypeToString(value.type())), |
| args); |
| } |
| makefile.AddDefinition(*outputVariable, WriteJson(json)); |
| |
| } else if (mode == "SET"_s) { |
| auto const& newValueStr = args.PopBack("missing new value remove"_s); |
| auto const& toAdd = args.PopBack("missing member name to add"_s); |
| auto& value = ResolvePath(json, args); |
| |
| Json::Value newValue = ReadJson(newValueStr); |
| if (value.isObject()) { |
| value[toAdd] = newValue; |
| } else if (value.isArray()) { |
| auto const index = |
| ParseIndex(toAdd, Args{ args.begin(), args.end() + 1 }); |
| if (value.isValidIndex(index)) { |
| value[static_cast<int>(index)] = newValue; |
| } else { |
| value.append(newValue); |
| } |
| } else { |
| throw json_error(cmStrCat("SET needs to be called with an " |
| "element of type OBJECT or ARRAY, got "_s, |
| JsonTypeToString(value.type()))); |
| } |
| |
| makefile.AddDefinition(*outputVariable, WriteJson(json)); |
| |
| } else if (mode == "EQUAL"_s) { |
| auto const& jsonstr2 = |
| args.PopFront("missing second json string argument"_s); |
| Json::Value json2 = ReadJson(jsonstr2); |
| makefile.AddDefinitionBool(*outputVariable, json == json2); |
| } |
| |
| } catch (json_error const& e) { |
| if (outputVariable && e.ErrorPath) { |
| auto const errorPath = cmJoin(*e.ErrorPath, "-"); |
| makefile.AddDefinition(*outputVariable, |
| cmStrCat(errorPath, "-NOTFOUND"_s)); |
| } else if (outputVariable) { |
| makefile.AddDefinition(*outputVariable, "NOTFOUND"_s); |
| } |
| |
| if (errorVariable) { |
| makefile.AddDefinition(*errorVariable, e.what()); |
| } else { |
| status.SetError(cmStrCat("sub-command JSON "_s, e.what(), "."_s)); |
| success = false; |
| } |
| } |
| return success; |
| #else |
| status.SetError(cmStrCat(arguments[0], " not available during bootstrap"_s)); |
| return false; |
| #endif |
| } |
| |
| } // namespace |
| |
| bool cmStringCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.empty()) { |
| status.SetError("must be called with at least one argument."); |
| return false; |
| } |
| |
| static cmSubcommandTable const subcommand{ |
| { "REGEX"_s, HandleRegexCommand }, |
| { "REPLACE"_s, HandleReplaceCommand }, |
| { "MD5"_s, HandleHashCommand }, |
| { "SHA1"_s, HandleHashCommand }, |
| { "SHA224"_s, HandleHashCommand }, |
| { "SHA256"_s, HandleHashCommand }, |
| { "SHA384"_s, HandleHashCommand }, |
| { "SHA512"_s, HandleHashCommand }, |
| { "SHA3_224"_s, HandleHashCommand }, |
| { "SHA3_256"_s, HandleHashCommand }, |
| { "SHA3_384"_s, HandleHashCommand }, |
| { "SHA3_512"_s, HandleHashCommand }, |
| { "TOLOWER"_s, HandleToLowerCommand }, |
| { "TOUPPER"_s, HandleToUpperCommand }, |
| { "COMPARE"_s, HandleCompareCommand }, |
| { "ASCII"_s, HandleAsciiCommand }, |
| { "HEX"_s, HandleHexCommand }, |
| { "CONFIGURE"_s, HandleConfigureCommand }, |
| { "LENGTH"_s, HandleLengthCommand }, |
| { "APPEND"_s, HandleAppendCommand }, |
| { "PREPEND"_s, HandlePrependCommand }, |
| { "CONCAT"_s, HandleConcatCommand }, |
| { "JOIN"_s, HandleJoinCommand }, |
| { "SUBSTRING"_s, HandleSubstringCommand }, |
| { "STRIP"_s, HandleStripCommand }, |
| { "REPEAT"_s, HandleRepeatCommand }, |
| { "RANDOM"_s, HandleRandomCommand }, |
| { "FIND"_s, HandleFindCommand }, |
| { "TIMESTAMP"_s, HandleTimestampCommand }, |
| { "MAKE_C_IDENTIFIER"_s, HandleMakeCIdentifierCommand }, |
| { "GENEX_STRIP"_s, HandleGenexStripCommand }, |
| { "UUID"_s, HandleUuidCommand }, |
| { "JSON"_s, HandleJSONCommand }, |
| }; |
| |
| return subcommand(args[0], args, status); |
| } |
