blob: 94efdca3b5f5750c12cc5395dc3447d8b975b29b [file] [log] [blame]
/*
* Copyright (C) 2019, The Android Open Source Project
*
* 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 "utils.h"
#include <stdio.h>
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "Collation.h"
#include "frameworks/proto_logging/stats/atom_field_options.pb.h"
namespace android {
namespace stats_log_api_gen {
using std::map;
using std::string;
using std::vector;
/**
* Inlining this method because "android-base/strings.h" is not available on
* google3.
*/
static vector<string> Split(const string& s, const string& delimiters) {
vector<string> result;
size_t base = 0;
size_t found;
while (true) {
found = s.find_first_of(delimiters, base);
result.push_back(s.substr(base, found - base));
if (found == s.npos) break;
base = found + 1;
}
return result;
}
void build_non_chained_decl_map(const Atoms& atoms,
std::map<int, AtomDeclSet::const_iterator>* decl_map) {
for (AtomDeclSet::const_iterator atomIt = atoms.non_chained_decls.begin();
atomIt != atoms.non_chained_decls.end(); atomIt++) {
decl_map->insert(std::make_pair((*atomIt)->code, atomIt));
}
}
const map<AnnotationId, AnnotationStruct>& get_annotation_id_constants(const string& prefix) {
static const map<AnnotationId, AnnotationStruct>* ANNOTATION_ID_CONSTANTS =
new map<AnnotationId, AnnotationStruct>{
{ANNOTATION_ID_IS_UID, AnnotationStruct(prefix + "IS_UID", API_S)},
{ANNOTATION_ID_TRUNCATE_TIMESTAMP,
AnnotationStruct(prefix + "TRUNCATE_TIMESTAMP", API_S)},
{ANNOTATION_ID_PRIMARY_FIELD,
AnnotationStruct(prefix + "PRIMARY_FIELD", API_S)},
{ANNOTATION_ID_EXCLUSIVE_STATE,
AnnotationStruct(prefix + "EXCLUSIVE_STATE", API_S)},
{ANNOTATION_ID_PRIMARY_FIELD_FIRST_UID,
AnnotationStruct(prefix + "PRIMARY_FIELD_FIRST_UID", API_S)},
{ANNOTATION_ID_DEFAULT_STATE,
AnnotationStruct(prefix + "DEFAULT_STATE", API_S)},
{ANNOTATION_ID_TRIGGER_STATE_RESET,
AnnotationStruct(prefix + "TRIGGER_STATE_RESET", API_S)},
{ANNOTATION_ID_STATE_NESTED, AnnotationStruct(prefix + "STATE_NESTED", API_S)},
{ANNOTATION_ID_RESTRICTION_CATEGORY,
AnnotationStruct(prefix + "RESTRICTION_CATEGORY", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_PERIPHERAL_DEVICE_INFO,
AnnotationStruct(prefix + "FIELD_RESTRICTION_PERIPHERAL_DEVICE_INFO", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_APP_USAGE,
AnnotationStruct(prefix + "FIELD_RESTRICTION_APP_USAGE", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_APP_ACTIVITY,
AnnotationStruct(prefix + "FIELD_RESTRICTION_APP_ACTIVITY", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_HEALTH_CONNECT,
AnnotationStruct(prefix + "FIELD_RESTRICTION_HEALTH_CONNECT", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_ACCESSIBILITY,
AnnotationStruct(prefix + "FIELD_RESTRICTION_ACCESSIBILITY", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_SYSTEM_SEARCH,
AnnotationStruct(prefix + "FIELD_RESTRICTION_SYSTEM_SEARCH", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_USER_ENGAGEMENT,
AnnotationStruct(prefix + "FIELD_RESTRICTION_USER_ENGAGEMENT", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_AMBIENT_SENSING,
AnnotationStruct(prefix + "FIELD_RESTRICTION_AMBIENT_SENSING", API_U)},
{ANNOTATION_ID_FIELD_RESTRICTION_DEMOGRAPHIC_CLASSIFICATION,
AnnotationStruct(prefix + "FIELD_RESTRICTION_DEMOGRAPHIC_CLASSIFICATION",
API_U)},
};
return *ANNOTATION_ID_CONSTANTS;
}
string get_java_build_version_code(int apiLevel) {
switch (apiLevel) {
case API_Q:
return "Build.VERSION_CODES.Q";
case API_R:
return "Build.VERSION_CODES.R";
case API_S:
return "Build.VERSION_CODES.S";
case API_S_V2:
return "Build.VERSION_CODES.S_V2";
case API_T:
return "Build.VERSION_CODES.TIRAMISU";
case API_U:
return "Build.VERSION_CODES.UPSIDE_DOWN_CAKE";
default:
return "Build.VERSION_CODES.CUR_DEVELOPMENT";
}
}
string get_restriction_category_str(int annotationValue) {
switch (annotationValue) {
case os::statsd::RestrictionCategory::RESTRICTION_DIAGNOSTIC:
return "RESTRICTION_CATEGORY_DIAGNOSTIC";
case os::statsd::RestrictionCategory::RESTRICTION_SYSTEM_INTELLIGENCE:
return "RESTRICTION_CATEGORY_SYSTEM_INTELLIGENCE";
case os::statsd::RestrictionCategory::RESTRICTION_AUTHENTICATION:
return "RESTRICTION_CATEGORY_AUTHENTICATION";
case os::statsd::RestrictionCategory::RESTRICTION_FRAUD_AND_ABUSE:
return "RESTRICTION_CATEGORY_FRAUD_AND_ABUSE";
default:
return "";
}
}
/**
* Turn lower and camel case into upper case with underscores.
*/
string make_constant_name(const string& str) {
string result;
const int N = str.size();
bool underscore_next = false;
for (int i = 0; i < N; i++) {
char c = str[i];
if (c >= 'A' && c <= 'Z') {
if (underscore_next) {
result += '_';
underscore_next = false;
}
} else if (c >= 'a' && c <= 'z') {
c = 'A' + c - 'a';
underscore_next = true;
} else if (c == '_') {
underscore_next = false;
}
result += c;
}
return result;
}
const char* cpp_type_name(java_type_t type, bool isVendorAtomLogging) {
switch (type) {
case JAVA_TYPE_BOOLEAN:
return "bool";
case JAVA_TYPE_INT: // Fallthrough.
case JAVA_TYPE_ENUM:
return "int32_t";
case JAVA_TYPE_LONG:
return "int64_t";
case JAVA_TYPE_FLOAT:
return "float";
case JAVA_TYPE_DOUBLE:
return "double";
case JAVA_TYPE_STRING:
return "char const*";
case JAVA_TYPE_BYTE_ARRAY:
return isVendorAtomLogging ? "const std::vector<uint8_t>&" : "const BytesField&";
case JAVA_TYPE_BOOLEAN_ARRAY:
return isVendorAtomLogging ? "const std::vector<bool>&" : "const bool*";
case JAVA_TYPE_INT_ARRAY: // Fallthrough.
case JAVA_TYPE_ENUM_ARRAY:
return "const std::vector<int32_t>&";
case JAVA_TYPE_LONG_ARRAY:
return "const std::vector<int64_t>&";
case JAVA_TYPE_FLOAT_ARRAY:
return "const std::vector<float>&";
case JAVA_TYPE_STRING_ARRAY:
return "const std::vector<char const*>&";
case JAVA_TYPE_DOUBLE_ARRAY:
return "const std::vector<double>&";
default:
return "UNKNOWN";
}
}
const char* java_type_name(java_type_t type) {
switch (type) {
case JAVA_TYPE_BOOLEAN:
return "boolean";
case JAVA_TYPE_INT: // Fallthrough.
case JAVA_TYPE_ENUM:
return "int";
case JAVA_TYPE_LONG:
return "long";
case JAVA_TYPE_FLOAT:
return "float";
case JAVA_TYPE_DOUBLE:
return "double";
case JAVA_TYPE_STRING:
return "java.lang.String";
case JAVA_TYPE_BYTE_ARRAY:
return "byte[]";
case JAVA_TYPE_BOOLEAN_ARRAY:
return "boolean[]";
case JAVA_TYPE_INT_ARRAY: // Fallthrough.
case JAVA_TYPE_ENUM_ARRAY:
return "int[]";
case JAVA_TYPE_LONG_ARRAY:
return "long[]";
case JAVA_TYPE_FLOAT_ARRAY:
return "float[]";
case JAVA_TYPE_STRING_ARRAY:
return "java.lang.String[]";
case JAVA_TYPE_DOUBLE_ARRAY:
return "double[]";
default:
return "UNKNOWN";
}
}
// Does not include AttributionChain type.
bool is_repeated_field(java_type_t type) {
switch (type) {
case JAVA_TYPE_BOOLEAN_ARRAY:
case JAVA_TYPE_INT_ARRAY:
case JAVA_TYPE_FLOAT_ARRAY:
case JAVA_TYPE_LONG_ARRAY:
case JAVA_TYPE_STRING_ARRAY:
case JAVA_TYPE_ENUM_ARRAY:
return true;
default:
return false;
}
}
bool is_primitive_field(java_type_t type) {
switch (type) {
case JAVA_TYPE_BOOLEAN:
case JAVA_TYPE_INT:
case JAVA_TYPE_LONG:
case JAVA_TYPE_FLOAT:
case JAVA_TYPE_STRING:
case JAVA_TYPE_ENUM:
return true;
default:
return false;
}
}
// Native
// Writes namespaces for the cpp and header files
void write_namespace(FILE* out, const string& cppNamespaces) {
const vector<string> cppNamespaceVec = Split(cppNamespaces, ",");
for (const string& cppNamespace : cppNamespaceVec) {
fprintf(out, "namespace %s {\n", cppNamespace.c_str());
}
}
// Writes namespace closing brackets for cpp and header files.
void write_closing_namespace(FILE* out, const string& cppNamespaces) {
vector<string> cppNamespaceVec = Split(cppNamespaces, ",");
for (auto it = cppNamespaceVec.rbegin(); it != cppNamespaceVec.rend(); ++it) {
fprintf(out, "} // namespace %s\n", it->c_str());
}
}
static void write_cpp_usage(FILE* out, const string& method_name, const string& atom_code_name,
const AtomDecl& atom, const AtomDecl& attributionDecl,
bool isVendorAtomLogging = false) {
const char* delimiterStr = method_name.find('(') == string::npos ? "(" : " ";
fprintf(out, " * Usage: %s%s%s", method_name.c_str(), delimiterStr, atom_code_name.c_str());
for (vector<AtomField>::const_iterator field = atom.fields.begin(); field != atom.fields.end();
field++) {
if (field->javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (const auto& chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s", cpp_type_name(chainField.javaType),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType), chainField.name.c_str(),
chainField.name.c_str());
}
}
} else {
fprintf(out, ", %s %s", cpp_type_name(field->javaType, isVendorAtomLogging),
field->name.c_str());
}
}
fprintf(out, ");\n");
}
void write_native_atom_constants(FILE* out, const Atoms& atoms, const AtomDecl& attributionDecl,
const string& methodName, bool isVendorAtomLogging) {
fprintf(out, "/**\n");
fprintf(out, " * Constants for atom codes.\n");
fprintf(out, " */\n");
fprintf(out, "enum {\n");
std::map<int, AtomDeclSet::const_iterator> atom_code_to_non_chained_decl_map;
build_non_chained_decl_map(atoms, &atom_code_to_non_chained_decl_map);
size_t i = 0;
// Print atom constants
for (AtomDeclSet::const_iterator atomIt = atoms.decls.begin(); atomIt != atoms.decls.end();
atomIt++) {
const string constant = make_constant_name((*atomIt)->name);
fprintf(out, "\n");
fprintf(out, " /**\n");
fprintf(out, " * %s %s\n", (*atomIt)->message.c_str(), (*atomIt)->name.c_str());
write_cpp_usage(out, methodName, constant, **atomIt, attributionDecl, isVendorAtomLogging);
auto non_chained_decl = atom_code_to_non_chained_decl_map.find((*atomIt)->code);
if (non_chained_decl != atom_code_to_non_chained_decl_map.end()) {
write_cpp_usage(out, methodName + "_non_chained", constant, **non_chained_decl->second,
attributionDecl, isVendorAtomLogging);
}
fprintf(out, " */\n");
char const* const comma = (i == atoms.decls.size() - 1) ? "" : ",";
fprintf(out, " %s = %d%s\n", constant.c_str(), (*atomIt)->code, comma);
i++;
}
fprintf(out, "\n");
fprintf(out, "};\n");
fprintf(out, "\n");
}
void write_native_atom_enums(FILE* out, const Atoms& atoms) {
// Print constants for the enum values.
fprintf(out, "//\n");
fprintf(out, "// Constants for enum values\n");
fprintf(out, "//\n\n");
for (AtomDeclSet::const_iterator atomIt = atoms.decls.begin(); atomIt != atoms.decls.end();
atomIt++) {
for (vector<AtomField>::const_iterator field = (*atomIt)->fields.begin();
field != (*atomIt)->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ENUM || field->javaType == JAVA_TYPE_ENUM_ARRAY) {
fprintf(out, "// Values for %s.%s\n", (*atomIt)->message.c_str(),
field->name.c_str());
for (map<int, string>::const_iterator value = field->enumValues.begin();
value != field->enumValues.end(); value++) {
fprintf(out, "const int32_t %s__%s__%s = %d;\n",
make_constant_name((*atomIt)->message).c_str(),
make_constant_name(field->name).c_str(),
make_constant_name(value->second).c_str(), value->first);
}
fprintf(out, "\n");
}
}
}
}
void write_native_method_signature(FILE* out, const string& signaturePrefix,
const vector<java_type_t>& signature,
const AtomDecl& attributionDecl, const string& closer,
bool isVendorAtomLogging) {
fprintf(out, "%sint32_t code", signaturePrefix.c_str());
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
for (const auto& chainField : attributionDecl.fields) {
if (chainField.javaType == JAVA_TYPE_STRING) {
fprintf(out, ", const std::vector<%s>& %s",
cpp_type_name(chainField.javaType, isVendorAtomLogging),
chainField.name.c_str());
} else {
fprintf(out, ", const %s* %s, size_t %s_length",
cpp_type_name(chainField.javaType, isVendorAtomLogging),
chainField.name.c_str(), chainField.name.c_str());
}
}
} else {
fprintf(out, ", %s arg%d", cpp_type_name(*arg, isVendorAtomLogging), argIndex);
if (*arg == JAVA_TYPE_BOOLEAN_ARRAY && !isVendorAtomLogging) {
fprintf(out, ", size_t arg%d_length", argIndex);
}
}
argIndex++;
}
fprintf(out, ")%s\n", closer.c_str());
}
void write_native_method_header(FILE* out, const string& methodName,
const SignatureInfoMap& signatureInfoMap,
const AtomDecl& attributionDecl,
bool isVendorAtomLogging) {
for (const auto& [signature, _] : signatureInfoMap) {
write_native_method_signature(out, methodName, signature, attributionDecl, ";",
isVendorAtomLogging);
}
}
void write_native_header_preamble(FILE* out, const string& cppNamespace, bool includePull,
bool isVendorAtomLogging) {
// Print prelude
fprintf(out, "// This file is autogenerated\n");
fprintf(out, "\n");
fprintf(out, "#pragma once\n");
fprintf(out, "\n");
fprintf(out, "#include <stdint.h>\n");
fprintf(out, "#include <vector>\n");
fprintf(out, "#include <map>\n");
fprintf(out, "#include <set>\n");
if (includePull) {
fprintf(out, "#include <stats_pull_atom_callback.h>\n");
}
if (isVendorAtomLogging) {
fprintf(out, "#include <aidl/android/frameworks/stats/VendorAtom.h>\n");
}
fprintf(out, "\n");
write_namespace(out, cppNamespace);
fprintf(out, "\n");
fprintf(out, "/*\n");
fprintf(out, " * API For logging statistics events.\n");
fprintf(out, " */\n");
fprintf(out, "\n");
}
void write_native_header_epilogue(FILE* out, const string& cppNamespace) {
write_closing_namespace(out, cppNamespace);
}
// Java
void write_java_atom_codes(FILE* out, const Atoms& atoms) {
fprintf(out, " // Constants for atom codes.\n");
std::map<int, AtomDeclSet::const_iterator> atom_code_to_non_chained_decl_map;
build_non_chained_decl_map(atoms, &atom_code_to_non_chained_decl_map);
// Print constants for the atom codes.
for (AtomDeclSet::const_iterator atomIt = atoms.decls.begin(); atomIt != atoms.decls.end();
atomIt++) {
const string constant = make_constant_name((*atomIt)->name);
fprintf(out, "\n");
fprintf(out, " /**\n");
fprintf(out, " * %s %s<br>\n", (*atomIt)->message.c_str(), (*atomIt)->name.c_str());
write_java_usage(out, "write", constant, **atomIt);
auto non_chained_decl = atom_code_to_non_chained_decl_map.find((*atomIt)->code);
if (non_chained_decl != atom_code_to_non_chained_decl_map.end()) {
write_java_usage(out, "write_non_chained", constant, **(non_chained_decl->second));
}
fprintf(out, " */\n");
fprintf(out, " public static final int %s = %d;\n", constant.c_str(), (*atomIt)->code);
}
fprintf(out, "\n");
}
void write_java_enum_values(FILE* out, const Atoms& atoms) {
fprintf(out, " // Constants for enum values.\n\n");
for (AtomDeclSet::const_iterator atomIt = atoms.decls.begin(); atomIt != atoms.decls.end();
atomIt++) {
for (vector<AtomField>::const_iterator field = (*atomIt)->fields.begin();
field != (*atomIt)->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ENUM || field->javaType == JAVA_TYPE_ENUM_ARRAY) {
fprintf(out, " // Values for %s.%s\n", (*atomIt)->message.c_str(),
field->name.c_str());
for (map<int, string>::const_iterator value = field->enumValues.begin();
value != field->enumValues.end(); value++) {
fprintf(out, " public static final int %s__%s__%s = %d;\n",
make_constant_name((*atomIt)->message).c_str(),
make_constant_name(field->name).c_str(),
make_constant_name(value->second).c_str(), value->first);
}
fprintf(out, "\n");
}
}
}
}
int write_java_method_signature(FILE* out, const vector<java_type_t>& signature,
const AtomDecl& attributionDecl) {
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
if (attributionDecl.fields.empty()) {
fprintf(stderr, "Encountered incompatible attribution chain atom definition");
return 1;
}
for (const auto& chainField : attributionDecl.fields) {
fprintf(out, ", %s[] %s", java_type_name(chainField.javaType),
chainField.name.c_str());
}
} else {
fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex);
}
argIndex++;
}
return 0;
}
void write_java_usage(FILE* out, const string& method_name, const string& atom_code_name,
const AtomDecl& atom) {
fprintf(out, " * Usage: StatsLog.%s(StatsLog.%s", method_name.c_str(),
atom_code_name.c_str());
for (vector<AtomField>::const_iterator field = atom.fields.begin(); field != atom.fields.end();
field++) {
if (field->javaType == JAVA_TYPE_ATTRIBUTION_CHAIN) {
fprintf(out, ", android.os.WorkSource workSource");
} else if (field->javaType == JAVA_TYPE_BYTE_ARRAY) {
fprintf(out, ", byte[] %s", field->name.c_str());
} else {
fprintf(out, ", %s %s", java_type_name(field->javaType), field->name.c_str());
}
}
fprintf(out, ");<br>\n");
}
int write_java_non_chained_methods(FILE* out, const SignatureInfoMap& signatureInfoMap) {
for (auto signatureInfoMapIt = signatureInfoMap.begin();
signatureInfoMapIt != signatureInfoMap.end(); signatureInfoMapIt++) {
// Print method signature.
fprintf(out, " public static void write_non_chained(int code");
vector<java_type_t> signature = signatureInfoMapIt->first;
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
fprintf(stderr, "Non chained signatures should not have attribution chains.\n");
return 1;
} else {
fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ") {\n");
fprintf(out, " write(code");
argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
arg++) {
// First two args are uid and tag of attribution chain.
if (argIndex == 1) {
fprintf(out, ", new int[] {arg%d}", argIndex);
} else if (argIndex == 2) {
fprintf(out, ", new java.lang.String[] {arg%d}", argIndex);
} else {
fprintf(out, ", arg%d", argIndex);
}
argIndex++;
}
fprintf(out, ");\n");
fprintf(out, " }\n");
fprintf(out, "\n");
}
return 0;
}
int write_java_work_source_methods(FILE* out, const SignatureInfoMap& signatureInfoMap) {
fprintf(out, " // WorkSource methods.\n");
for (auto signatureInfoMapIt = signatureInfoMap.begin();
signatureInfoMapIt != signatureInfoMap.end(); signatureInfoMapIt++) {
vector<java_type_t> signature = signatureInfoMapIt->first;
// Determine if there is Attribution in this signature.
int attributionArg = -1;
int argIndexMax = 0;
for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
arg++) {
argIndexMax++;
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
if (attributionArg > -1) {
fprintf(stderr, "An atom contains multiple AttributionNode fields.\n");
fprintf(stderr, "This is not supported. Aborting WorkSource method writing.\n");
fprintf(out,
"\n// Invalid for WorkSource: more than one attribution "
"chain.\n");
return 1;
}
attributionArg = argIndexMax;
}
}
if (attributionArg < 0) {
continue;
}
fprintf(out, "\n");
// Method header (signature)
fprintf(out, " public static void write(int code");
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
arg++) {
if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
fprintf(out, ", android.os.WorkSource ws");
} else {
fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex);
}
argIndex++;
}
fprintf(out, ") {\n");
// write_non_chained() component. TODO: Remove when flat uids are no longer
// needed.
fprintf(out, " for (int i = 0; i < ws.size(); ++i) {\n");
fprintf(out, " write_non_chained(code");
for (int argIndex = 1; argIndex <= argIndexMax; argIndex++) {
if (argIndex == attributionArg) {
fprintf(out, ", ws.getUid(i), ws.getPackageName(i)");
} else {
fprintf(out, ", arg%d", argIndex);
}
}
fprintf(out, ");\n");
fprintf(out, " }\n"); // close for-loop
// write() component.
fprintf(out,
" java.util.List<android.os.WorkSource.WorkChain> workChains = "
"ws.getWorkChains();\n");
fprintf(out, " if (workChains != null) {\n");
fprintf(out,
" for (android.os.WorkSource.WorkChain wc : workChains) "
"{\n");
fprintf(out, " write(code");
for (int argIndex = 1; argIndex <= argIndexMax; argIndex++) {
if (argIndex == attributionArg) {
fprintf(out, ", wc.getUids(), wc.getTags()");
} else {
fprintf(out, ", arg%d", argIndex);
}
}
fprintf(out, ");\n");
fprintf(out, " }\n"); // close for-loop
fprintf(out, " }\n"); // close if
fprintf(out, " }\n"); // close method
}
return 0;
}
static bool contains_restricted(const AtomDeclSet& atomDeclSet) {
for (const auto& decl : atomDeclSet) {
if (decl->restricted) {
return true;
}
}
return false;
}
static bool contains_repeated_field(const vector<java_type_t>& signature) {
for (const java_type_t& javaType : signature) {
switch (javaType) {
case JAVA_TYPE_BOOLEAN_ARRAY:
case JAVA_TYPE_INT_ARRAY:
case JAVA_TYPE_FLOAT_ARRAY:
case JAVA_TYPE_LONG_ARRAY:
case JAVA_TYPE_STRING_ARRAY:
return true;
default:
break;
}
}
return false;
}
int get_max_requires_api_level(int minApiLevel, const AtomDeclSet* atomDeclSet,
const vector<java_type_t>& signature) {
if (atomDeclSet != nullptr && contains_restricted(*atomDeclSet)) {
return API_U;
}
if (contains_repeated_field(signature)) {
return API_T;
}
if (minApiLevel <= API_Q) {
return API_Q; // for StatsLog.writeRaw()
}
return 0;
}
AtomDeclSet get_annotations(int argIndex,
const FieldNumberToAtomDeclSet& fieldNumberToAtomDeclSet) {
const FieldNumberToAtomDeclSet::const_iterator fieldNumberToAtomDeclSetIt =
fieldNumberToAtomDeclSet.find(argIndex);
if (fieldNumberToAtomDeclSet.end() == fieldNumberToAtomDeclSetIt) {
return AtomDeclSet();
}
return fieldNumberToAtomDeclSetIt->second;
}
} // namespace stats_log_api_gen
} // namespace android