GitHub migration

1 files changed, 207 insertions, 0 deletions

diff --git a/updater/sql/win/src/macros.h b/updater/sql/win/src/macros.h
new file mode 100755
index 0000000..3bcde83
--- /dev/null
+++ b/updater/sql/win/src/macros.h
@@ -0,0 +1,207 @@
+#ifndef NODE_SQLITE3_SRC_MACROS_H
+#define NODE_SQLITE3_SRC_MACROS_H
+
+const char* sqlite_code_string(int code);
+const char* sqlite_authorizer_string(int type);
+#include <vector>
+
+// TODO: better way to work around StringConcat?
+#include <napi.h>
+inline Napi::String StringConcat(Napi::Value str1, Napi::Value str2) {
+  return Napi::String::New(str1.Env(), str1.As<Napi::String>().Utf8Value() +
+                    str2.As<Napi::String>().Utf8Value() );
+}
+
+// A Napi substitute IsInt32()
+inline bool OtherIsInt(Napi::Number source) {
+    double orig_val = source.DoubleValue();
+    double int_val = static_cast<double>(source.Int32Value());
+    if (orig_val == int_val) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+#define IS_FUNCTION(cb) \
+    !cb.IsUndefined() && cb.IsFunction()
+
+#define REQUIRE_ARGUMENTS(n)                                                   \
+    if (info.Length() < (n)) {                                                 \
+        Napi::TypeError::New(env, "Expected " #n "arguments").ThrowAsJavaScriptException(); \
+        return env.Null(); \
+    }
+
+
+#define REQUIRE_ARGUMENT_EXTERNAL(i, var)                                      \
+    if (info.Length() <= (i) || !info[i].IsExternal()) {                       \
+        Napi::TypeError::New(env, "Argument " #i " invalid").ThrowAsJavaScriptException(); \
+        return env.Null(); \
+    }                                                                          \
+    Napi::External var = info[i].As<Napi::External>();
+
+
+#define REQUIRE_ARGUMENT_FUNCTION(i, var)                                      \
+    if (info.Length() <= (i) || !info[i].IsFunction()) {                        \
+        Napi::TypeError::New(env, "Argument " #i " must be a function").ThrowAsJavaScriptException(); \
+        return env.Null(); \
+    }                                                                          \
+    Napi::Function var = info[i].As<Napi::Function>();
+
+
+#define REQUIRE_ARGUMENT_STRING(i, var)                                        \
+    if (info.Length() <= (i) || !info[i].IsString()) {                         \
+        Napi::TypeError::New(env, "Argument " #i " must be a string").ThrowAsJavaScriptException(); \
+        return env.Null(); \
+    }                                                                          \
+    std::string var = info[i].As<Napi::String>();
+
+#define REQUIRE_ARGUMENT_INTEGER(i, var)                                        \
+    if (info.Length() <= (i) || !info[i].IsNumber()) {                        \
+        Napi::TypeError::New(env, "Argument " #i " must be an integer").ThrowAsJavaScriptException(); \
+        return env.Null();        \
+    }                                                                          \
+    int var(info[i].As<Napi::Number>().Int32Value());
+
+#define OPTIONAL_ARGUMENT_FUNCTION(i, var)                                     \
+    Napi::Function var;                                                        \
+    if (info.Length() > i && !info[i].IsUndefined()) {                         \
+        if (!info[i].IsFunction()) {                                           \
+            Napi::TypeError::New(env, "Argument " #i " must be a function").ThrowAsJavaScriptException(); \
+            return env.Null(); \
+        }                                                                      \
+        var = info[i].As<Napi::Function>();                                    \
+    }
+
+
+#define OPTIONAL_ARGUMENT_INTEGER(i, var, default)                             \
+    int var;                                                                   \
+    if (info.Length() <= (i)) {                                                \
+        var = (default);                                                       \
+    }                                                                          \
+    else if (info[i].IsNumber()) {                                             \
+        if (OtherIsInt(info[i].As<Number>())) {                                \
+            var = info[i].As<Napi::Number>().Int32Value();                     \
+        }                                                                      \
+    }                                                                          \
+    else {                                                                     \
+        Napi::TypeError::New(env, "Argument " #i " must be an integer").ThrowAsJavaScriptException(); \
+        return env.Null(); \
+    }
+
+
+#define DEFINE_CONSTANT_INTEGER(target, constant, name)                        \
+    Napi::PropertyDescriptor::Value(#name, Napi::Number::New(env, constant),   \
+        static_cast<napi_property_attributes>(napi_enumerable | napi_configurable)),
+
+#define DEFINE_CONSTANT_STRING(target, constant, name)                         \
+    Napi::PropertyDescriptor::Value(#name, Napi::String::New(env, constant),   \
+        static_cast<napi_property_attributes>(napi_enumerable | napi_configurable)),
+
+#define EXCEPTION(msg, errno, name)                                            \
+    Napi::Value name = Napi::Error::New(env,                                   \
+        StringConcat(                                                          \
+            StringConcat(                                                      \
+                Napi::String::New(env, sqlite_code_string(errno)),             \
+                Napi::String::New(env, ": ")                                   \
+            ),                                                                 \
+            (msg)                                                              \
+        ).Utf8Value()                                                          \
+    ).Value();                                                                 \
+    Napi::Object name ##_obj = name.As<Napi::Object>();                        \
+    (name ##_obj).Set( Napi::String::New(env, "errno"), Napi::Number::New(env, errno)); \
+    (name ##_obj).Set( Napi::String::New(env, "code"),                         \
+        Napi::String::New(env, sqlite_code_string(errno)));
+
+
+#define EMIT_EVENT(obj, argc, argv)                                            \
+    TRY_CATCH_CALL((obj),                                                      \
+        (obj).Get("emit").As<Napi::Function>(),\
+        argc, argv                                                             \
+    );
+
+// The Mac OS compiler complains when argv is NULL unless we
+// first assign it to a locally defined variable.
+#define TRY_CATCH_CALL(context, callback, argc, argv, ...)                     \
+    Napi::Value* passed_argv = argv;\
+    std::vector<napi_value> args;\
+    if ((argc != 0) && (passed_argv != NULL)) {\
+      args.assign(passed_argv, passed_argv + argc);\
+    }\
+    Napi::Value res = (callback).Call(Napi::Value(context), args);             \
+    if (res.IsEmpty()) return __VA_ARGS__;
+
+#define WORK_DEFINITION(name)                                                  \
+    Napi::Value name(const Napi::CallbackInfo& info);                          \
+    static void Work_Begin##name(Baton* baton);                                \
+    static void Work_##name(napi_env env, void* data);                         \
+    static void Work_After##name(napi_env env, napi_status status, void* data);
+
+#ifdef DEBUG
+    #define ASSERT_STATUS() assert(status == 0);
+#else
+    #define ASSERT_STATUS() (void)status;
+#endif
+
+#define CREATE_WORK(name, workerFn, afterFn)                                    \
+    int status = napi_create_async_work(env, NULL, Napi::String::New(env, name),\
+                             workerFn, afterFn, baton, &baton->request);        \
+                                                                                \
+    ASSERT_STATUS();                                                            \
+    napi_queue_async_work(env, baton->request);
+
+#define STATEMENT_BEGIN(type)                                                  \
+    assert(baton);                                                             \
+    assert(baton->stmt);                                                       \
+    assert(!baton->stmt->locked);                                              \
+    assert(!baton->stmt->finalized);                                           \
+    assert(baton->stmt->prepared);                                             \
+    baton->stmt->locked = true;                                                \
+    baton->stmt->db->pending++;                                                \
+    auto env = baton->stmt->Env();                                             \
+    CREATE_WORK("sqlite3.Statement."#type, Work_##type, Work_After##type);
+
+#define STATEMENT_INIT(type)                                                   \
+    type* baton = static_cast<type*>(data);                                    \
+    Statement* stmt = baton->stmt;
+
+#define STATEMENT_MUTEX(name) \
+    if (!stmt->db->_handle) { \
+        stmt->status = SQLITE_MISUSE; \
+        stmt->message = "Database handle is closed"; \
+        return; \
+    } \
+    sqlite3_mutex* name = sqlite3_db_mutex(stmt->db->_handle);
+
+#define STATEMENT_END()                                                        \
+    assert(stmt->locked);                                                      \
+    assert(stmt->db->pending);                                                 \
+    stmt->locked = false;                                                      \
+    stmt->db->pending--;                                                       \
+    stmt->Process();                                                           \
+    stmt->db->Process();
+
+#define BACKUP_BEGIN(type)                                                     \
+    assert(baton);                                                             \
+    assert(baton->backup);                                                     \
+    assert(!baton->backup->locked);                                            \
+    assert(!baton->backup->finished);                                          \
+    assert(baton->backup->inited);                                             \
+    baton->backup->locked = true;                                              \
+    baton->backup->db->pending++;                                              \
+    auto env = baton->backup->Env();                                           \
+    CREATE_WORK("sqlite3.Backup."#type, Work_##type, Work_After##type);
+
+#define BACKUP_INIT(type)                                                      \
+    type* baton = static_cast<type*>(data);                                    \
+    Backup* backup = baton->backup;
+
+#define BACKUP_END()                                                           \
+    assert(backup->locked);                                                    \
+    assert(backup->db->pending);                                               \
+    backup->locked = false;                                                    \
+    backup->db->pending--;                                                     \
+    backup->Process();                                                         \
+    backup->db->Process();
+
+#endif
\ No newline at end of file