| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing for details. */ |
| // NOLINTNEXTLINE(bugprone-reserved-identifier) |
| #define _SCL_SECURE_NO_WARNINGS |
| |
| #include "cmStringCommand.h" |
| |
| #include <algorithm> |
| #include <cctype> |
| #include <cstdio> |
| #include <cstdlib> |
| #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 "cmsys/RegularExpression.hxx" |
| |
| #include "cmCryptoHash.h" |
| #include "cmExecutionStatus.h" |
| #include "cmGeneratorExpression.h" |
| #include "cmMakefile.h" |
| #include "cmMessageType.h" |
| #include "cmRange.h" |
| #include "cmStringAlgorithms.h" |
| #include "cmStringReplaceHelper.h" |
| #include "cmSubcommandTable.h" |
| #include "cmSystemTools.h" |
| #include "cmTimestamp.h" |
| #include "cmUuid.h" |
| #include "cmValue.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 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; |
| } |
| |
| std::unique_ptr<cmCryptoHash> hash(cmCryptoHash::New(args[0])); |
| if (hash) { |
| std::string out = hash->HashString(args[2]); |
| status.GetMakefile().AddDefinition(args[1], out); |
| return true; |
| } |
| 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]; |
| std::string output; |
| |
| if (toUpper) { |
| output = cmSystemTools::UpperCase(args[1]); |
| } else { |
| output = cmSystemTools::LowerCase(args[1]); |
| } |
| |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, output); |
| 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; |
| } |
| std::string::size_type cc; |
| std::string const& outvar = args.back(); |
| std::string output; |
| for (cc = 1; cc < args.size() - 1; cc++) { |
| int ch = atoi(args[cc].c_str()); |
| if (ch > 0 && ch < 256) { |
| output += static_cast<char>(ch); |
| } else { |
| std::string error = |
| cmStrCat("Character with code ", args[cc], " does not exist."); |
| status.SetError(error); |
| return false; |
| } |
| } |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, output); |
| return true; |
| } |
| |
| bool HandleHexCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 3) { |
| status.SetError("Incorrect number of arguments"); |
| return false; |
| } |
| auto const& instr = args[1]; |
| auto const& outvar = args[2]; |
| std::string output(instr.size() * 2, ' '); |
| |
| std::string::size_type hexIndex = 0; |
| for (auto const& c : instr) { |
| snprintf(&output[hexIndex], 3, "%.2x", |
| static_cast<unsigned char>(c) & 0xFF); |
| hexIndex += 2; |
| } |
| |
| status.GetMakefile().AddDefinition(outvar, output); |
| 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); |
| } |
| |
| 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"; |
| std::string const& regex = args[2]; |
| std::string const& outvar = args[3]; |
| |
| status.GetMakefile().ClearMatches(); |
| // Compile the regular expression. |
| cmsys::RegularExpression re; |
| if (!re.compile(regex)) { |
| std::string e = |
| "sub-command REGEX, mode MATCH failed to compile regex \"" + regex + |
| "\"."; |
| status.SetError(e); |
| return false; |
| } |
| |
| // Concatenate all the last arguments together. |
| std::string input = cmJoin(cmMakeRange(args).advance(4), std::string()); |
| |
| // Scan through the input for all matches. |
| std::string output; |
| if (re.find(input)) { |
| status.GetMakefile().StoreMatches(re); |
| std::string::size_type l = re.start(); |
| std::string::size_type r = re.end(); |
| if (r - l == 0) { |
| std::string e = "sub-command REGEX, mode MATCH regex \"" + regex + |
| "\" matched an empty string."; |
| status.SetError(e); |
| return false; |
| } |
| output = input.substr(l, r - l); |
| } |
| |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, output); |
| return true; |
| } |
| |
| bool RegexMatchAll(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| //"STRING(REGEX MATCHALL <regular_expression> <output variable> <input> |
| // [<input>...])\n"; |
| std::string const& regex = args[2]; |
| std::string const& outvar = args[3]; |
| |
| status.GetMakefile().ClearMatches(); |
| // Compile the regular expression. |
| cmsys::RegularExpression re; |
| if (!re.compile(regex)) { |
| std::string e = |
| "sub-command REGEX, mode MATCHALL failed to compile regex \"" + regex + |
| "\"."; |
| status.SetError(e); |
| return false; |
| } |
| |
| // Concatenate all the last arguments together. |
| std::string input = cmJoin(cmMakeRange(args).advance(4), std::string()); |
| |
| // Scan through the input for all matches. |
| std::string output; |
| const char* p = input.c_str(); |
| while (re.find(p)) { |
| status.GetMakefile().ClearMatches(); |
| status.GetMakefile().StoreMatches(re); |
| std::string::size_type l = re.start(); |
| std::string::size_type r = re.end(); |
| if (r - l == 0) { |
| std::string e = "sub-command REGEX, mode MATCHALL regex \"" + regex + |
| "\" matched an empty string."; |
| status.SetError(e); |
| return false; |
| } |
| if (!output.empty()) { |
| output += ";"; |
| } |
| output += std::string(p + l, r - l); |
| p += r; |
| } |
| |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, output); |
| return true; |
| } |
| |
| 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]; |
| cmStringReplaceHelper replaceHelper(regex, replace, &status.GetMakefile()); |
| |
| if (!replaceHelper.IsReplaceExpressionValid()) { |
| status.SetError( |
| "sub-command REGEX, mode REPLACE: " + replaceHelper.GetError() + "."); |
| return false; |
| } |
| |
| status.GetMakefile().ClearMatches(); |
| |
| if (!replaceHelper.IsRegularExpressionValid()) { |
| std::string e = |
| "sub-command REGEX, mode REPLACE failed to compile regex \"" + regex + |
| "\"."; |
| status.SetError(e); |
| return false; |
| } |
| |
| // Concatenate all the last arguments together. |
| const std::string input = |
| cmJoin(cmMakeRange(args).advance(5), std::string()); |
| std::string output; |
| |
| if (!replaceHelper.Replace(input, output)) { |
| status.SetError( |
| "sub-command REGEX, mode REPLACE: " + replaceHelper.GetError() + "."); |
| return false; |
| } |
| |
| // Store the output in the provided variable. |
| status.GetMakefile().AddDefinition(outvar, output); |
| return true; |
| } |
| |
| 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. |
| const std::string& sstring = args[1]; |
| const std::string& schar = args[2]; |
| const std::string& 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 |
| size_t pos; |
| if (!reverseMode) { |
| pos = sstring.find(schar); |
| } else { |
| pos = sstring.rfind(schar); |
| } |
| if (std::string::npos != pos) { |
| status.GetMakefile().AddDefinition(outvar, std::to_string(pos)); |
| return true; |
| } |
| |
| // the character was not found, but this is not really an error |
| status.GetMakefile().AddDefinition(outvar, "-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; |
| } |
| |
| const std::string& left = args[2]; |
| const std::string& right = args[3]; |
| const std::string& outvar = args[4]; |
| bool result; |
| if (mode == "LESS") { |
| result = (left < right); |
| } else if (mode == "LESS_EQUAL") { |
| result = (left <= right); |
| } else if (mode == "GREATER") { |
| result = (left > right); |
| } else if (mode == "GREATER_EQUAL") { |
| result = (left >= right); |
| } else if (mode == "EQUAL") { |
| result = (left == right); |
| } else // if(mode == "NOTEQUAL") |
| { |
| result = !(left == right); |
| } |
| if (result) { |
| status.GetMakefile().AddDefinition(outvar, "1"); |
| } else { |
| status.GetMakefile().AddDefinition(outvar, "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; |
| } |
| |
| const std::string& matchExpression = args[1]; |
| const std::string& replaceExpression = args[2]; |
| const std::string& variableName = args[3]; |
| |
| std::string input = cmJoin(cmMakeRange(args).advance(4), std::string()); |
| |
| cmsys::SystemTools::ReplaceString(input, matchExpression.c_str(), |
| replaceExpression.c_str()); |
| |
| status.GetMakefile().AddDefinition(variableName, input); |
| return true; |
| } |
| |
| bool HandleSubstringCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.size() != 5) { |
| status.SetError("sub-command SUBSTRING requires four arguments."); |
| return false; |
| } |
| |
| const std::string& stringValue = args[1]; |
| int begin = atoi(args[2].c_str()); |
| int end = atoi(args[3].c_str()); |
| const std::string& variableName = args[4]; |
| |
| size_t stringLength = stringValue.size(); |
| int intStringLength = static_cast<int>(stringLength); |
| if (begin < 0 || begin > intStringLength) { |
| status.SetError( |
| cmStrCat("begin index: ", begin, " is out of range 0 - ", stringLength)); |
| return false; |
| } |
| if (end < -1) { |
| status.SetError(cmStrCat("end index: ", end, " should be -1 or greater")); |
| return false; |
| } |
| |
| status.GetMakefile().AddDefinition(variableName, |
| stringValue.substr(begin, end)); |
| 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; |
| } |
| |
| const std::string& stringValue = args[1]; |
| const std::string& variableName = args[2]; |
| |
| size_t length = stringValue.size(); |
| char buffer[1024]; |
| snprintf(buffer, sizeof(buffer), "%d", static_cast<int>(length)); |
| |
| status.GetMakefile().AddDefinition(variableName, buffer); |
| 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::string_view oldView{ status.GetMakefile().GetSafeDefinition( |
| variableName) }; |
| |
| auto const newValue = cmJoin(cmMakeRange(args).advance(2), {}, oldView); |
| status.GetMakefile().AddDefinition(variableName, newValue); |
| |
| 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; |
| } |
| |
| const std::string& variable = args[1]; |
| |
| std::string value = cmJoin(cmMakeRange(args).advance(2), std::string()); |
| cmValue oldValue = status.GetMakefile().GetDefinition(variable); |
| if (oldValue) { |
| value += *oldValue; |
| } |
| status.GetMakefile().AddDefinition(variable, value); |
| 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, |
| const size_t 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. |
| std::string value = cmJoin(cmMakeRange(args).advance(varIdx + 1), glue); |
| |
| makefile.AddDefinition(variableName, value); |
| 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; |
| } |
| |
| const std::string& input = args[1]; |
| const std::string& variableName = args[2]; |
| |
| status.GetMakefile().AddDefinition(variableName, |
| cmSystemTools::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; |
| } |
| |
| const std::string& input = args[1]; |
| |
| std::string result = cmGeneratorExpression::Preprocess( |
| input, cmGeneratorExpression::StripAllGeneratorExpressions); |
| |
| const std::string& variableName = args[2]; |
| |
| status.GetMakefile().AddDefinition(variableName, result); |
| 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; |
| } |
| |
| const std::string& stringValue = args[1]; |
| const std::string& variableName = args[2]; |
| size_t inStringLength = stringValue.size(); |
| size_t startPos = inStringLength + 1; |
| size_t endPos = 0; |
| const char* ptr = stringValue.c_str(); |
| size_t cc; |
| for (cc = 0; cc < inStringLength; ++cc) { |
| if (!isspace(*ptr)) { |
| if (startPos > inStringLength) { |
| startPos = cc; |
| } |
| endPos = cc; |
| } |
| ++ptr; |
| } |
| |
| size_t outLength = 0; |
| |
| // if the input string didn't contain any non-space characters, return |
| // an empty string |
| if (startPos > inStringLength) { |
| outLength = 0; |
| startPos = 0; |
| } else { |
| outLength = endPos - startPos + 1; |
| } |
| |
| status.GetMakefile().AddDefinition(variableName, |
| stringValue.substr(startPos, outLength)); |
| 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; |
| } |
| |
| const auto& stringValue = args[ArgPos::VALUE]; |
| const auto& variableName = args[ArgPos::OUTPUT_VARIABLE]; |
| const auto inStringLength = stringValue.size(); |
| |
| std::string result; |
| switch (inStringLength) { |
| case 0u: |
| // Nothing to do for zero length input strings |
| break; |
| case 1u: |
| // NOTE If the string to repeat consists of the only character, |
| // use the appropriate constructor. |
| result = std::string(times, stringValue[0]); |
| break; |
| default: |
| result = std::string(inStringLength * times, char{}); |
| for (auto i = 0u; i < times; ++i) { |
| std::copy(cm::cbegin(stringValue), cm::cend(stringValue), |
| &result[i * inStringLength]); |
| } |
| break; |
| } |
| |
| makefile.AddDefinition(variableName, result); |
| 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; |
| } |
| |
| static bool seeded = false; |
| bool force_seed = false; |
| unsigned int seed = 0; |
| int length = 5; |
| const char cmStringCommandDefaultAlphabet[] = "qwertyuiopasdfghjklzxcvbnm" |
| "QWERTYUIOPASDFGHJKLZXCVBNM" |
| "0123456789"; |
| std::string alphabet; |
| |
| 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; |
| } |
| } |
| } |
| if (alphabet.empty()) { |
| alphabet = cmStringCommandDefaultAlphabet; |
| } |
| |
| double sizeofAlphabet = static_cast<double>(alphabet.size()); |
| if (sizeofAlphabet < 1) { |
| status.SetError("sub-command RANDOM invoked with bad alphabet."); |
| return false; |
| } |
| if (length < 1) { |
| status.SetError("sub-command RANDOM invoked with bad length."); |
| return false; |
| } |
| const std::string& variableName = args.back(); |
| |
| std::vector<char> result; |
| |
| if (!seeded || force_seed) { |
| seeded = true; |
| srand(force_seed ? seed : cmSystemTools::RandomSeed()); |
| } |
| |
| const char* alphaPtr = alphabet.c_str(); |
| for (int cc = 0; cc < length; cc++) { |
| int idx = static_cast<int>(sizeofAlphabet * rand() / (RAND_MAX + 1.0)); |
| result.push_back(*(alphaPtr + idx)); |
| } |
| result.push_back(0); |
| |
| status.GetMakefile().AddDefinition(variableName, result.data()); |
| return true; |
| } |
| |
| 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; |
| |
| const std::string& outputVariable = args[argsIndex++]; |
| |
| std::string formatString; |
| if (args.size() > argsIndex && args[argsIndex] != "UTC") { |
| formatString = args[argsIndex++]; |
| } |
| |
| bool utcFlag = false; |
| if (args.size() > argsIndex) { |
| if (args[argsIndex] == "UTC") { |
| utcFlag = true; |
| } else { |
| std::string e = " TIMESTAMP sub-command does not recognize option " + |
| args[argsIndex] + "."; |
| status.SetError(e); |
| return false; |
| } |
| } |
| |
| cmTimestamp timestamp; |
| std::string result = timestamp.CurrentTime(formatString, utcFlag); |
| status.GetMakefile().AddDefinition(outputVariable, result); |
| |
| 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; |
| } |
| |
| const std::string& outputVariable = args[argsIndex++]; |
| |
| std::string uuidNamespaceString; |
| std::string uuidName; |
| std::string uuidType; |
| bool uuidUpperCase = false; |
| |
| 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; |
| } |
| uuidType = args[argsIndex++]; |
| } else if (args[argsIndex] == "UPPER") { |
| ++argsIndex; |
| uuidUpperCase = true; |
| } else { |
| std::string e = |
| "UUID sub-command does not recognize option " + args[argsIndex] + "."; |
| status.SetError(e); |
| return false; |
| } |
| } |
| |
| std::string uuid; |
| cmUuid uuidGenerator; |
| |
| std::vector<unsigned char> uuidNamespace; |
| if (!uuidGenerator.StringToBinary(uuidNamespaceString, uuidNamespace)) { |
| status.SetError("UUID sub-command, malformed NAMESPACE UUID."); |
| return false; |
| } |
| |
| if (uuidType == "MD5") { |
| uuid = uuidGenerator.FromMd5(uuidNamespace, uuidName); |
| } else if (uuidType == "SHA1") { |
| uuid = uuidGenerator.FromSha1(uuidNamespace, uuidName); |
| } else { |
| std::string e = "UUID sub-command, unknown TYPE '" + uuidType + "'."; |
| status.SetError(e); |
| return false; |
| } |
| |
| if (uuid.empty()) { |
| status.SetError("UUID sub-command, generation failed."); |
| return false; |
| } |
| |
| if (uuidUpperCase) { |
| uuid = cmSystemTools::UpperCase(uuid); |
| } |
| |
| status.GetMakefile().AddDefinition(outputVariable, uuid); |
| return true; |
| #else |
| status.SetError(cmStrCat(args[0], " 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) -> const std::string&; |
| auto PopBack(cm::string_view error) -> const std::string&; |
| }; |
| |
| class json_error : public std::runtime_error |
| { |
| public: |
| json_error(const std::string& message, |
| cm::optional<Args> errorPath = cm::nullopt) |
| : std::runtime_error(message) |
| , ErrorPath{ |
| std::move(errorPath) // NOLINT(performance-move-const-arg) |
| } |
| { |
| } |
| cm::optional<Args> ErrorPath; |
| }; |
| |
| const std::string& Args::PopFront(cm::string_view error) |
| { |
| if (this->empty()) { |
| throw json_error(std::string(error)); |
| } |
| const std::string& res = *this->begin(); |
| this->advance(1); |
| return res; |
| } |
| |
| const std::string& Args::PopBack(cm::string_view error) |
| { |
| if (this->empty()) { |
| throw json_error(std::string(error)); |
| } |
| const std::string& 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( |
| const std::string& 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) { |
| const std::string& 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)) { |
| const auto progressStr = cmJoin(progress, " "_s); |
| throw json_error(cmStrCat("member '"_s, progressStr, "' not found"_s), |
| progress); |
| } |
| search = &(*search)[field]; |
| } else { |
| const auto 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(const std::string& 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: "_s, error)); |
| } |
| return json; |
| } |
| std::string WriteJson(const Json::Value& 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() }; |
| |
| const std::string* errorVariable = nullptr; |
| const std::string* 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); |
| } |
| |
| const auto& 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)); |
| } |
| |
| const auto& jsonstr = args.PopFront("missing json string argument"_s); |
| Json::Value json = ReadJson(jsonstr); |
| |
| if (mode == "GET"_s) { |
| const auto& 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) { |
| const auto& value = ResolvePath(json, args); |
| makefile.AddDefinition(*outputVariable, JsonTypeToString(value.type())); |
| |
| } else if (mode == "MEMBER"_s) { |
| const auto& indexStr = args.PopBack("missing member index"_s); |
| const auto& 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); |
| } |
| const auto index = ParseIndex( |
| indexStr, Args{ args.begin(), args.end() + 1 }, value.size()); |
| const auto memIt = std::next(value.begin(), index); |
| makefile.AddDefinition(*outputVariable, memIt.name()); |
| |
| } else if (mode == "LENGTH"_s) { |
| const auto& 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) { |
| const auto& toRemove = |
| args.PopBack("missing member or index to remove"_s); |
| auto& value = ResolvePath(json, args); |
| |
| if (value.isArray()) { |
| const auto 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) { |
| const auto& newValueStr = args.PopBack("missing new value remove"_s); |
| const auto& 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()) { |
| const auto 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) { |
| const auto& jsonstr2 = |
| args.PopFront("missing second json string argument"_s); |
| Json::Value json2 = ReadJson(jsonstr2); |
| makefile.AddDefinitionBool(*outputVariable, json == json2); |
| } |
| |
| } catch (const json_error& e) { |
| if (outputVariable && e.ErrorPath) { |
| const auto 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); |
| } |