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dab5e6ebb1
This class will be used, as helper for: * string() command * future $<STRING> generator expression
1133 lines
33 KiB
C++
1133 lines
33 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file LICENSE.rst or https://cmake.org/licensing for details. */
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// NOLINTNEXTLINE(bugprone-reserved-identifier)
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#define _SCL_SECURE_NO_WARNINGS
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#include "cmStringCommand.h"
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#include <cstdio>
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#include <cstdlib>
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#include <exception>
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#include <limits>
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#include <memory>
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#include <stdexcept>
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#include <utility>
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#include <cm/iterator>
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#include <cm/optional>
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#include <cm/string_view>
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#include <cmext/string_view>
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#include <cm3p/json/reader.h>
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#include <cm3p/json/value.h>
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#include <cm3p/json/writer.h>
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#include "cmCMakeString.hxx"
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#include "cmExecutionStatus.h"
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#include "cmList.h"
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#include "cmMakefile.h"
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#include "cmMessageType.h"
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#include "cmRange.h"
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#include "cmStringAlgorithms.h"
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#include "cmSubcommandTable.h"
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namespace {
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bool RegexMatch(std::vector<std::string> const& args,
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cmExecutionStatus& status);
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bool RegexMatchAll(std::vector<std::string> const& args,
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cmExecutionStatus& status);
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bool RegexReplace(std::vector<std::string> const& args,
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cmExecutionStatus& status);
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bool RegexQuote(std::vector<std::string> const& args,
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cmExecutionStatus& status);
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bool joinImpl(std::vector<std::string> const& args, std::string const& glue,
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size_t varIdx, cmMakefile& makefile);
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bool HandleHashCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() != 3) {
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status.SetError(
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cmStrCat(args[0], " requires an output variable and an input string"));
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return false;
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}
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cm::CMakeString data{ args[2] };
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try {
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data.Hash(args[0]);
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status.GetMakefile().AddDefinition(args[1], data);
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return true;
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} catch (std::exception const& e) {
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status.SetError(e.what());
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return false;
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}
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}
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bool HandleToUpperLowerCommand(std::vector<std::string> const& args,
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bool toUpper, cmExecutionStatus& status)
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{
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if (args.size() < 3) {
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status.SetError("no output variable specified");
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return false;
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}
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std::string const& outvar = args[2];
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cm::CMakeString data{ args[1] };
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if (toUpper) {
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data.ToUpper();
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} else {
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data.ToLower();
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}
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// Store the output in the provided variable.
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status.GetMakefile().AddDefinition(outvar, data);
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return true;
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}
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bool HandleToUpperCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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return HandleToUpperLowerCommand(args, true, status);
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}
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bool HandleToLowerCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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return HandleToUpperLowerCommand(args, false, status);
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}
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bool HandleAsciiCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 3) {
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status.SetError("No output variable specified");
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return false;
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}
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try {
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std::string const& outvar = args.back();
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cm::CMakeString data;
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data.FromASCII(cmMakeRange(args).advance(1).retreat(1));
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status.GetMakefile().AddDefinition(outvar, data);
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return true;
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} catch (std::exception const& e) {
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status.SetError(e.what());
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return false;
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}
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}
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bool HandleHexCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() != 3) {
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status.SetError("Incorrect number of arguments");
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return false;
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}
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auto const& outvar = args[2];
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cm::CMakeString data{ args[1] };
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data.ToHexadecimal();
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status.GetMakefile().AddDefinition(outvar, data);
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return true;
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}
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bool HandleConfigureCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("No input string specified.");
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return false;
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}
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if (args.size() < 3) {
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status.SetError("No output variable specified.");
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return false;
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}
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// Parse options.
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bool escapeQuotes = false;
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bool atOnly = false;
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for (unsigned int i = 3; i < args.size(); ++i) {
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if (args[i] == "@ONLY") {
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atOnly = true;
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} else if (args[i] == "ESCAPE_QUOTES") {
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escapeQuotes = true;
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} else {
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status.SetError(cmStrCat("Unrecognized argument \"", args[i], '"'));
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return false;
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}
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}
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// Configure the string.
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std::string output;
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status.GetMakefile().ConfigureString(args[1], output, atOnly, escapeQuotes);
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// Store the output in the provided variable.
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status.GetMakefile().AddDefinition(args[2], output);
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return true;
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}
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bool HandleRegexCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("sub-command REGEX requires a mode to be specified.");
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return false;
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}
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std::string const& mode = args[1];
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if (mode == "MATCH") {
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if (args.size() < 5) {
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status.SetError("sub-command REGEX, mode MATCH needs "
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"at least 5 arguments total to command.");
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return false;
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}
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return RegexMatch(args, status);
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}
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if (mode == "MATCHALL") {
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if (args.size() < 5) {
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status.SetError("sub-command REGEX, mode MATCHALL needs "
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"at least 5 arguments total to command.");
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return false;
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}
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return RegexMatchAll(args, status);
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}
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if (mode == "REPLACE") {
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if (args.size() < 6) {
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status.SetError("sub-command REGEX, mode REPLACE needs "
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"at least 6 arguments total to command.");
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return false;
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}
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return RegexReplace(args, status);
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}
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if (mode == "QUOTE") {
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if (args.size() < 4) {
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status.SetError("sub-command REGEX, mode QUOTE needs "
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"at least 4 arguments total to command.");
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return false;
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}
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return RegexQuote(args, status);
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}
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std::string e = "sub-command REGEX does not recognize mode " + mode;
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status.SetError(e);
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return false;
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}
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bool RegexMatch(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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//"STRING(REGEX MATCH <regular_expression> <output variable>
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// <input> [<input>...])\n";
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try {
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std::string const& regex = args[2];
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std::string const& outvar = args[3];
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cm::CMakeString data{ cmMakeRange(args).advance(4) };
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auto result = data.Match(regex, cm::CMakeString::MatchItems::Once,
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&status.GetMakefile());
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// Store the result in the provided variable.
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status.GetMakefile().AddDefinition(outvar, result.to_string());
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return true;
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} catch (std::exception const& e) {
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status.SetError(
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cmStrCat("sub-command REGEX, mode MATCH: ", e.what(), '.'));
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return false;
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}
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}
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bool RegexMatchAll(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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//"STRING(REGEX MATCHALL <regular_expression> <output variable> <input>
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// [<input>...])\n";
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try {
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std::string const& regex = args[2];
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std::string const& outvar = args[3];
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cm::CMakeString data{ cmMakeRange(args).advance(4) };
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auto result = data.Match(regex, cm::CMakeString::MatchItems::All,
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&status.GetMakefile());
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// Store the result in the provided variable.
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status.GetMakefile().AddDefinition(outvar, result.to_string());
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return true;
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} catch (std::exception const& e) {
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status.SetError(
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cmStrCat("sub-command REGEX, mode MATCHALL: ", e.what(), '.'));
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return false;
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}
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}
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bool RegexReplace(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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//"STRING(REGEX REPLACE <regular_expression> <replace_expression>
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// <output variable> <input> [<input>...])\n"
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std::string const& regex = args[2];
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std::string const& replace = args[3];
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std::string const& outvar = args[4];
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try {
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cm::CMakeString data{ cmMakeRange(args).advance(5) };
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data.Replace(regex, replace, cm::CMakeString::Regex::Yes,
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&status.GetMakefile());
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// Store the result in the provided variable.
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status.GetMakefile().AddDefinition(outvar, data);
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return true;
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} catch (std::exception const& e) {
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status.SetError(
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cmStrCat("sub-command REGEX, mode REPLACE: ", e.what(), '.'));
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return false;
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}
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}
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bool RegexQuote(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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//"STRING(REGEX QUOTE <output variable> <input> [<input>...]\n"
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std::string const& outvar = args[2];
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cm::CMakeString data{ cmMakeRange(args).advance(3) };
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try {
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// Escape all regex special characters
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data.Quote();
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// Store the output in the provided variable.
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status.GetMakefile().AddDefinition(outvar, data);
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return true;
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} catch (std::exception const& e) {
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status.SetError(
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cmStrCat("sub-command REGEX, mode QUOTE: ", e.what(), '.'));
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return false;
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}
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}
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bool HandleFindCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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// check if all required parameters were passed
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if (args.size() < 4 || args.size() > 5) {
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status.SetError("sub-command FIND requires 3 or 4 parameters.");
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return false;
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}
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// check if the reverse flag was set or not
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bool reverseMode = false;
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if (args.size() == 5 && args[4] == "REVERSE") {
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reverseMode = true;
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}
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// if we have 5 arguments the last one must be REVERSE
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if (args.size() == 5 && args[4] != "REVERSE") {
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status.SetError("sub-command FIND: unknown last parameter");
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return false;
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}
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// local parameter names.
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std::string const& sstring = args[1];
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std::string const& schar = args[2];
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std::string const& outvar = args[3];
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// ensure that the user cannot accidentally specify REVERSE as a variable
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if (outvar == "REVERSE") {
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status.SetError("sub-command FIND does not allow one to select REVERSE as "
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"the output variable. "
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"Maybe you missed the actual output variable?");
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return false;
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}
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// try to find the character and return its position
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auto pos = cm::CMakeString{ sstring }.Find(
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schar,
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reverseMode ? cm::CMakeString::FindFrom::End
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: cm::CMakeString::FindFrom::Begin);
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status.GetMakefile().AddDefinition(
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outvar, pos != cm::CMakeString::npos ? std::to_string(pos) : "-1");
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return true;
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}
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bool HandleCompareCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("sub-command COMPARE requires a mode to be specified.");
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return false;
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}
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std::string const& mode = args[1];
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if ((mode == "EQUAL") || (mode == "NOTEQUAL") || (mode == "LESS") ||
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(mode == "LESS_EQUAL") || (mode == "GREATER") ||
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(mode == "GREATER_EQUAL")) {
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if (args.size() < 5) {
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std::string e =
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cmStrCat("sub-command COMPARE, mode ", mode,
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" needs at least 5 arguments total to command.");
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status.SetError(e);
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return false;
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}
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std::string const& left = args[2];
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std::string const& right = args[3];
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std::string const& outvar = args[4];
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bool result;
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cm::CMakeString::CompOperator op = cm::CMakeString::CompOperator::EQUAL;
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if (mode == "LESS") {
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op = cm::CMakeString::CompOperator::LESS;
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} else if (mode == "LESS_EQUAL") {
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op = cm::CMakeString::CompOperator::LESS_EQUAL;
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} else if (mode == "GREATER") {
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op = cm::CMakeString::CompOperator::GREATER;
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} else if (mode == "GREATER_EQUAL") {
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op = cm::CMakeString::CompOperator::GREATER_EQUAL;
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}
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result = cm::CMakeString{ left }.Compare(op, right);
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if (mode == "NOTEQUAL") {
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result = !result;
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}
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status.GetMakefile().AddDefinition(outvar, result ? "1" : "0");
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return true;
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}
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std::string e = "sub-command COMPARE does not recognize mode " + mode;
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status.SetError(e);
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return false;
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}
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bool HandleReplaceCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 5) {
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status.SetError("sub-command REPLACE requires at least four arguments.");
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return false;
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}
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try {
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std::string const& matchExpression = args[1];
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std::string const& replaceExpression = args[2];
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std::string const& variableName = args[3];
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cm::CMakeString data{ cmMakeRange(args).advance(4) };
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data.Replace(matchExpression, replaceExpression);
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status.GetMakefile().AddDefinition(variableName, data);
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return true;
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} catch (std::exception const& e) {
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status.SetError(cmStrCat("sub-command REPLACE: ", e.what(), '.'));
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return false;
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}
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}
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bool HandleSubstringCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() != 5) {
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status.SetError("sub-command SUBSTRING requires four arguments.");
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return false;
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}
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try {
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std::string const& stringValue = args[1];
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int begin = atoi(args[2].c_str());
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int end = atoi(args[3].c_str());
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std::string const& variableName = args[4];
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cm::CMakeString data{ stringValue };
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status.GetMakefile().AddDefinition(variableName,
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data.Substring(begin, end));
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} catch (std::exception const& e) {
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status.SetError(e.what());
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return false;
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}
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return true;
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}
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bool HandleLengthCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() != 3) {
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status.SetError("sub-command LENGTH requires two arguments.");
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return false;
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}
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std::string const& stringValue = args[1];
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std::string const& variableName = args[2];
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status.GetMakefile().AddDefinition(
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variableName, std::to_string(cm::CMakeString{ stringValue }.Length()));
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return true;
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}
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bool HandleAppendCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("sub-command APPEND requires at least one argument.");
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return false;
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}
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// Skip if nothing to append.
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if (args.size() < 3) {
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return true;
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}
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auto const& variableName = args[1];
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cm::CMakeString data{ status.GetMakefile().GetDefinition(variableName) };
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data.Append(cmMakeRange(args).advance(2));
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status.GetMakefile().AddDefinition(variableName, data);
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return true;
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}
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bool HandlePrependCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("sub-command PREPEND requires at least one argument.");
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return false;
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}
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// Skip if nothing to prepend.
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if (args.size() < 3) {
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return true;
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}
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std::string const& variable = args[1];
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cm::CMakeString data{ status.GetMakefile().GetDefinition(variable) };
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data.Prepend(cmMakeRange(args).advance(2));
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status.GetMakefile().AddDefinition(variable, data);
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return true;
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}
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bool HandleConcatCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 2) {
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status.SetError("sub-command CONCAT requires at least one argument.");
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return false;
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}
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return joinImpl(args, std::string(), 1, status.GetMakefile());
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}
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bool HandleJoinCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if (args.size() < 3) {
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status.SetError("sub-command JOIN requires at least two arguments.");
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return false;
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}
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return joinImpl(args, args[1], 2, status.GetMakefile());
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}
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bool joinImpl(std::vector<std::string> const& args, std::string const& glue,
|
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size_t const varIdx, cmMakefile& makefile)
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|
{
|
|
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);
|
|
}
|