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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmIDEOptions.h"
#include <cmsys/String.h>
#include <iterator>
#include <string.h>
#include "cmIDEFlagTable.h"
#include "cmSystemTools.h"
cmIDEOptions::cmIDEOptions()
{
this->DoingDefine = false;
this->AllowDefine = true;
this->AllowSlash = false;
this->DoingFollowing = 0;
for (int i = 0; i < FlagTableCount; ++i) {
this->FlagTable[i] = 0;
}
}
cmIDEOptions::~cmIDEOptions()
{
}
void cmIDEOptions::HandleFlag(const char* flag)
{
// If the last option was -D then this option is the definition.
if (this->DoingDefine) {
this->DoingDefine = false;
this->Defines.push_back(flag);
return;
}
// If the last option expected a following value, this is it.
if (this->DoingFollowing) {
this->FlagMapUpdate(this->DoingFollowing, flag);
this->DoingFollowing = 0;
return;
}
// Look for known arguments.
if (flag[0] == '-' || (this->AllowSlash && flag[0] == '/')) {
// Look for preprocessor definitions.
if (this->AllowDefine && flag[1] == 'D') {
if (flag[2] == '\0') {
// The next argument will have the definition.
this->DoingDefine = true;
} else {
// Store this definition.
this->Defines.push_back(flag + 2);
}
return;
}
// Look through the available flag tables.
bool flag_handled = false;
for (int i = 0; i < FlagTableCount && this->FlagTable[i]; ++i) {
if (this->CheckFlagTable(this->FlagTable[i], flag, flag_handled)) {
return;
}
}
// If any map entry handled the flag we are done.
if (flag_handled) {
return;
}
}
// This option is not known. Store it in the output flags.
this->StoreUnknownFlag(flag);
}
bool cmIDEOptions::CheckFlagTable(cmIDEFlagTable const* table,
const char* flag, bool& flag_handled)
{
// Look for an entry in the flag table matching this flag.
for (cmIDEFlagTable const* entry = table; entry->IDEName; ++entry) {
bool entry_found = false;
if (entry->special & cmIDEFlagTable::UserValue) {
// This flag table entry accepts a user-specified value. If
// the entry specifies UserRequired we must match only if a
// non-empty value is given.
int n = static_cast<int>(strlen(entry->commandFlag));
if ((strncmp(flag + 1, entry->commandFlag, n) == 0 ||
(entry->special & cmIDEFlagTable::CaseInsensitive &&
cmsysString_strncasecmp(flag + 1, entry->commandFlag, n))) &&
(!(entry->special & cmIDEFlagTable::UserRequired) ||
static_cast<int>(strlen(flag + 1)) > n)) {
this->FlagMapUpdate(entry, flag + n + 1);
entry_found = true;
}
} else if (strcmp(flag + 1, entry->commandFlag) == 0 ||
(entry->special & cmIDEFlagTable::CaseInsensitive &&
cmsysString_strcasecmp(flag + 1, entry->commandFlag) == 0)) {
if (entry->special & cmIDEFlagTable::UserFollowing) {
// This flag expects a value in the following argument.
this->DoingFollowing = entry;
} else {
// This flag table entry provides a fixed value.
this->FlagMap[entry->IDEName] = entry->value;
}
entry_found = true;
}
// If the flag has been handled by an entry not requesting a
// search continuation we are done.
if (entry_found && !(entry->special & cmIDEFlagTable::Continue)) {
return true;
}
// If the entry was found the flag has been handled.
flag_handled = flag_handled || entry_found;
}
return false;
}
void cmIDEOptions::FlagMapUpdate(cmIDEFlagTable const* entry,
const char* new_value)
{
if (entry->special & cmIDEFlagTable::UserIgnored) {
// Ignore the user-specified value.
this->FlagMap[entry->IDEName] = entry->value;
} else if (entry->special & cmIDEFlagTable::SemicolonAppendable) {
this->FlagMap[entry->IDEName].push_back(new_value);
} else if (entry->special & cmIDEFlagTable::SpaceAppendable) {
this->FlagMap[entry->IDEName].append_with_space(new_value);
} else {
// Use the user-specified value.
this->FlagMap[entry->IDEName] = new_value;
}
}
void cmIDEOptions::AddDefine(const std::string& def)
{
this->Defines.push_back(def);
}
void cmIDEOptions::AddDefines(const char* defines)
{
if (defines) {
// Expand the list of definitions.
cmSystemTools::ExpandListArgument(defines, this->Defines);
}
}
void cmIDEOptions::AddDefines(const std::vector<std::string>& defines)
{
this->Defines.insert(this->Defines.end(), defines.begin(), defines.end());
}
void cmIDEOptions::AddFlag(const char* flag, const char* value)
{
this->FlagMap[flag] = value;
}
void cmIDEOptions::AddFlag(const char* flag,
std::vector<std::string> const& value)
{
this->FlagMap[flag] = value;
}
void cmIDEOptions::AppendFlag(std::string const& flag,
std::string const& value)
{
this->FlagMap[flag].push_back(value);
}
void cmIDEOptions::AppendFlag(std::string const& flag,
std::vector<std::string> const& value)
{
FlagValue& fv = this->FlagMap[flag];
std::copy(value.begin(), value.end(), std::back_inserter(fv));
}
void cmIDEOptions::AppendFlagString(std::string const& flag,
std::string const& value)
{
this->FlagMap[flag].append_with_space(value);
}
void cmIDEOptions::RemoveFlag(const char* flag)
{
this->FlagMap.erase(flag);
}
bool cmIDEOptions::HasFlag(std::string const& flag) const
{
return this->FlagMap.find(flag) != this->FlagMap.end();
}
const char* cmIDEOptions::GetFlag(const char* flag)
{
// This method works only for single-valued flags!
std::map<std::string, FlagValue>::iterator i = this->FlagMap.find(flag);
if (i != this->FlagMap.end() && i->second.size() == 1) {
return i->second[0].c_str();
}
return 0;
}
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