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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/main/cpp/blaze_util.h"
#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "src/main/cpp/blaze_util_platform.h"
#include "src/main/cpp/util/errors.h"
#include "src/main/cpp/util/exit_code.h"
#include "src/main/cpp/util/file.h"
#include "src/main/cpp/util/numbers.h"
#include "src/main/cpp/util/strings.h"
#include "src/main/cpp/util/port.h"
using blaze_util::die;
namespace blaze {
using std::string;
using std::vector;
const char kServerPidFile[] = "server.pid.txt";
string MakeAbsolute(const string &path) {
if (path.empty()) {
return blaze_util::GetCwd();
}
if (blaze_util::IsAbsolute(path)) {
return path;
}
return blaze_util::JoinPath(blaze_util::GetCwd(), path);
}
const char* GetUnaryOption(const char *arg,
const char *next_arg,
const char *key) {
const char *value = blaze_util::var_strprefix(arg, key);
if (value == NULL) {
return NULL;
} else if (value[0] == '=') {
return value + 1;
} else if (value[0]) {
return NULL; // trailing garbage in key name
}
return next_arg;
}
bool GetNullaryOption(const char *arg, const char *key) {
const char *value = blaze_util::var_strprefix(arg, key);
if (value == NULL) {
return false;
} else if (value[0] == '=') {
die(blaze_exit_code::BAD_ARGV,
"In argument '%s': option '%s' does not take a value.", arg, key);
} else if (value[0]) {
return false; // trailing garbage in key name
}
return true;
}
const char* SearchUnaryOption(const vector<string>& args,
const char *key) {
if (args.empty()) {
return NULL;
}
vector<string>::size_type i = 0;
for (; i < args.size() - 1; ++i) {
if (args[i] == "--") {
return NULL;
}
const char* result = GetUnaryOption(args[i].c_str(),
args[i + 1].c_str(),
key);
if (result != NULL) {
return result;
}
}
return GetUnaryOption(args[i].c_str(), NULL, key);
}
bool SearchNullaryOption(const vector<string>& args, const char *key) {
for (vector<string>::size_type i = 0; i < args.size(); i++) {
if (args[i] == "--") {
return false;
}
if (GetNullaryOption(args[i].c_str(), key)) {
return true;
}
}
return false;
}
bool VerboseLogging() { return !GetEnv("VERBOSE_BLAZE_CLIENT").empty(); }
// Read the Jvm version from a file descriptor. The read fd
// should contains a similar output as the java -version output.
string ReadJvmVersion(const string& version_string) {
// try to look out for 'version "'
static const string version_pattern = "version \"";
size_t found = version_string.find(version_pattern);
if (found != string::npos) {
found += version_pattern.size();
// If we found "version \"", process until next '"'
size_t end = version_string.find("\"", found);
if (end == string::npos) { // consider end of string as a '"'
end = version_string.size();
}
return version_string.substr(found, end - found);
}
return "";
}
bool CheckJavaVersionIsAtLeast(const string &jvm_version,
const string &version_spec) {
vector<string> jvm_version_vect = blaze_util::Split(jvm_version, '.');
int jvm_version_size = static_cast<int>(jvm_version_vect.size());
vector<string> version_spec_vect = blaze_util::Split(version_spec, '.');
int version_spec_size = static_cast<int>(version_spec_vect.size());
int i;
for (i = 0; i < jvm_version_size && i < version_spec_size; i++) {
int jvm = blaze_util::strto32(jvm_version_vect[i].c_str(), NULL, 10);
int spec = blaze_util::strto32(version_spec_vect[i].c_str(), NULL, 10);
if (jvm > spec) {
return true;
} else if (jvm < spec) {
return false;
}
}
if (i < version_spec_size) {
for (; i < version_spec_size; i++) {
if (version_spec_vect[i] != "0") {
return false;
}
}
}
return true;
}
bool IsArg(const string& arg) {
return blaze_util::starts_with(arg, "-") && (arg != "--help")
&& (arg != "-help") && (arg != "-h");
}
} // namespace blaze
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