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Java-binding: move toString implementation to native code. 

GitOrigin-RevId: 7f9adc42ed33e3218aefedb45ec8e858bd60be8b
This commit is contained in:
levlam 2018-01-22 08:24:47 +03:00
parent b9517df566
commit 704053580f
4 changed files with 19 additions and 107 deletions
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2
CMakeLists.txt
View File

@ -561,7 +561,7 @@ endif()
if (NOT CMAKE_CROSSCOMPILING)
add_dependencies(tdcore tl_generate_common)
if (TD_ENABLE_JNI)
add_dependencies(tdcore generate_java)
add_dependencies(tdcore td_generate_java_api)
endif()
endif()

2
td/generate/JavadocTlDocumentationGenerator.php
View File

@ -141,7 +141,7 @@ EOT
EOT
);
$this->addDocumentation(' public String toString() {', <<<EOT
$this->addDocumentation(' public native String toString();', <<<EOT
/**
* @return string representation of the object.
*/

120
td/generate/tl_writer_java.cpp
View File

@ -53,7 +53,7 @@ int TD_TL_writer_java::get_parser_type(const tl::tl_combinator *t, const std::st
}
int TD_TL_writer_java::get_storer_type(const tl::tl_combinator *t, const std::string &storer_name) const {
return storer_name == "StringBuilder";
return 0;
}
std::vector<std::string> TD_TL_writer_java::get_parsers() const {
@ -63,9 +63,7 @@ std::vector<std::string> TD_TL_writer_java::get_parsers() const {
}
std::vector<std::string> TD_TL_writer_java::get_storers() const {
std::vector<std::string> storers;
storers.push_back("StringBuilder");
return storers;
return std::vector<std::string>();
}
std::string TD_TL_writer_java::gen_base_tl_class_name() const {
@ -195,11 +193,8 @@ std::string TD_TL_writer_java::gen_int_const(const tl::tl_tree *tree_c,
std::string TD_TL_writer_java::gen_output_begin() const {
return "package " + package_name +
";\n\n"
"import java.util.Arrays;\n\n"
"public class " +
tl_name +
" {\n"
" private static final char[] HEX_CHARACTERS = \"0123456789ABCDEF\".toCharArray();\n\n";
tl_name + " {\n";
}
std::string TD_TL_writer_java::gen_output_end() const {
@ -212,8 +207,16 @@ std::string TD_TL_writer_java::gen_forward_class_declaration(const std::string &
std::string TD_TL_writer_java::gen_class_begin(const std::string &class_name, const std::string &base_class_name,
bool is_proxy) const {
return " public " + std::string(is_proxy ? "abstract " : "") + "static class " + class_name +
(class_name == gen_base_tl_class_name() ? std::string() : " extends " + base_class_name) + " {\n";
std::string full_class_name = "static class " + class_name;
if (class_name != gen_base_tl_class_name()) {
full_class_name += " extends " + base_class_name;
}
std::string result = " public " + std::string(is_proxy ? "abstract " : "") + full_class_name + " {\n";
if (class_name == gen_base_tl_class_name() || class_name == gen_base_function_class_name()) {
result += " public native String toString();\n";
}
return result;
}
std::string TD_TL_writer_java::gen_class_end() const {
@ -305,22 +308,7 @@ std::string TD_TL_writer_java::gen_field_fetch(int field_num, const tl::arg &a,
std::string TD_TL_writer_java::gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat,
int storer_type) const {
assert(a.exist_var_num == -1);
assert(a.type->get_type() != tl::NODE_TYPE_VAR_TYPE);
assert(!(a.flags & tl::FLAG_EXCL));
assert(!(a.flags & tl::FLAG_OPT_VAR));
if (flat) {
// TODO
// return gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat, int storer_type);
}
assert(a.var_num == -1);
assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
const tl::tl_tree_type *tree_type = static_cast<tl::tl_tree_type *>(a.type);
return storer_type == 1 ? " " + gen_type_store(gen_field_name(a.name), tree_type, vars, storer_type) + "\n"
: "";
return "";
}
std::string TD_TL_writer_java::gen_type_fetch(const std::string &field_name, const tl::tl_tree_type *tree_type,
@ -330,35 +318,6 @@ std::string TD_TL_writer_java::gen_type_fetch(const std::string &field_name, con
std::string TD_TL_writer_java::gen_type_store(const std::string &field_name, const tl::tl_tree_type *tree_type,
const std::vector<tl::var_description> &vars, int storer_type) const {
if (storer_type == 1) {
const tl::tl_type *t = tree_type->type;
const std::string &name = t->name;
std::string res;
res = "appendLine(s, shift).append(\"" + field_name + " = \")";
if (name == "Int32" || name == "Int53" || name == "Int64" || name == "Double" || name == "Bool" ||
name == "String") {
res += ".append(" + field_name + ");";
} else if (name == "Bytes") {
res += ".append(\"bytes { \"); ";
res += "{ for (byte k : " + field_name + ") { ";
res += "int b = (int)k & 255; s.append(HEX_CHARACTERS[b >> 4]).append(HEX_CHARACTERS[b & 15]).append(' '); ";
res += "} } s.append('}');";
} else if (name == "Vector") {
const tl::tl_tree_type *child = static_cast<const tl::tl_tree_type *>(tree_type->children[0]);
std::string vector_type = child->type->name;
res +=
".append(Arrays." + std::string(vector_type == "Vector" ? "deepTo" : "to") + "String(" + field_name + "));";
} else {
res += "; if (" + field_name + " != null) { " + field_name +
".toStringBuilder(shift, s); } else { s.append(\"null\"); }";
assert(tree_type->children.empty());
}
return res;
}
return "";
}
@ -421,62 +380,13 @@ std::string TD_TL_writer_java::gen_fetch_function_result_any_end(bool is_proxy)
std::string TD_TL_writer_java::gen_store_function_begin(const std::string &storer_name, const std::string &class_name,
int arity, std::vector<tl::var_description> &vars,
int storer_type) const {
for (std::size_t i = 0; i < vars.size(); i++) {
vars[i].is_stored = false;
}
assert(arity == 0);
if (storer_type == 1) {
return "\n"
" @Override\n"
" protected void toStringBuilder(int shift, " +
storer_name +
" s) {\n"
" s.append(\"" +
class_name +
"\").append(\" {\");\n"
" shift += 2;\n";
}
if (storer_type == -1) {
return class_name == gen_base_tl_class_name() ? "\n"
" public String toString() {\n"
" StringBuilder s = new StringBuilder();\n"
" toStringBuilder(0, s);\n"
" return s.toString();\n"
" }\n"
"\n"
" protected " +
storer_name + " appendLine(" + storer_name +
" s, int shift) {\n"
" s.append(System.lineSeparator());\n"
" for (int i = 0; i < shift; i++) {\n"
" s.append(' ');\n"
" }\n"
" return s;\n"
" }\n"
"\n"
" protected abstract void toStringBuilder(int shift, " +
storer_name + " s);\n"
: "";
}
assert(false);
return "";
}
std::string TD_TL_writer_java::gen_store_function_end(const std::vector<tl::var_description> &vars,
int storer_type) const {
for (std::size_t i = 0; i < vars.size(); i++) {
assert(vars[i].is_stored);
}
if (storer_type == 1) {
return " shift -= 2;\n"
" appendLine(s, shift).append(\"}\");\n"
" }\n";
}
assert(false);
return "";
}

2
td/generate/tl_writer_td.cpp
View File

@ -55,7 +55,9 @@ int TD_TL_writer::get_storer_type(const tl::tl_combinator *t, const std::string
tl::TL_writer::Mode TD_TL_writer::get_parser_mode(int type) const {
if (tl_name == "td_api") {
#ifndef TD_ENABLE_JNI // we need to parse all types in order to implement toString
return Server;
#endif
}
if (tl_name == "telegram_api") {
return Client;