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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "sal/config.h"
#include <cstring>
#include "com/sun/star/uno/Reference.hxx"
#include "rtl/strbuf.hxx"
#include "rtl/ustrbuf.hxx"
extern void foo(OUString const &);
struct Foo {
Foo(OUString const &, int) {}
Foo(OUString const &) {}
void foo(OUString const &) const {}
};
struct Foo2 {
Foo2(OString const &, int) {}
Foo2(OString const &) {}
void foo(OString const &) const {}
};
OString ret1() {
return OString("foo"); // expected-error {{elide constructor call [loplugin:stringconstant]}}
}
OString const ret2() {
return OString("foo"); // expected-error {{elide constructor call [loplugin:stringconstant]}}
}
auto ret3() {
return OString("foo");
}
OUString ret4() {
return OUString("foo"); // expected-error {{elide constructor call [loplugin:stringconstant]}}
}
OUString const ret5() {
return OUString("foo"); // expected-error {{elide constructor call [loplugin:stringconstant]}}
}
auto ret6() {
return OUString("foo");
}
int main() {
char const s1[] = "foo";
char const * const s2 = "foo";
OStringBuffer sb;
sb.append(OString()); // expected-error {{in call of 'rtl::OStringBuffer::append', replace empty 'OString' constructor with empty string literal [loplugin:stringconstant]}}
sb.append(OString("foo")); // expected-error {{in call of 'rtl::OStringBuffer::append', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.append(OString(s1)); // expected-error {{in call of 'rtl::OStringBuffer::append', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.append(OString(s2)); // expected-error {{in call of 'rtl::OStringBuffer::append', elide explicit 'OString' constructor, and turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.append(OString("foo", std::strlen("foo"))); // expected-error {{in call of 'rtl::OStringBuffer::append', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.append(OString(s1, std::strlen(s1))); // expected-error {{in call of 'rtl::OStringBuffer::append', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.append(OString(s2, std::strlen(s2))); // expected-error {{in call of 'rtl::OStringBuffer::append', elide explicit 'OString' constructor, and turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.append("foo");
sb.append(s1);
sb.append(s2); // expected-error {{in call of 'rtl::OStringBuffer::append' with non-array string constant argument, turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.append("foo", std::strlen("foo")); // expected-error {{rewrite call of 'rtl::OStringBuffer::append' with string constant and matching length arguments as call of 'rtl::OStringBuffer::append' [loplugin:stringconstant]}}
sb.append(s1, 3/*std::strlen(s1)*/); // expected-error {{rewrite call of 'rtl::OStringBuffer::append' with string constant and matching length arguments as call of 'rtl::OStringBuffer::append' [loplugin:stringconstant]}}
sb.append(s2, 3/*std::strlen(s2)*/); // expected-error {{rewrite call of 'rtl::OStringBuffer::append' with string constant and matching length arguments as call of 'rtl::OStringBuffer::append', and turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.insert(0, OString()); // expected-error {{in call of 'rtl::OStringBuffer::insert', replace empty 'OString' constructor with empty string literal [loplugin:stringconstant]}}
sb.insert(0, OString("foo")); // expected-error {{in call of 'rtl::OStringBuffer::insert', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.insert(0, OString(s1)); // expected-error {{in call of 'rtl::OStringBuffer::insert', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.insert(0, OString(s2)); // expected-error {{in call of 'rtl::OStringBuffer::insert', elide explicit 'OString' constructor, and turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.insert(0, OString("foo", std::strlen("foo"))); // expected-error {{in call of 'rtl::OStringBuffer::insert', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.insert(0, OString(s1, std::strlen(s1))); // expected-error {{in call of 'rtl::OStringBuffer::insert', elide explicit 'OString' constructor [loplugin:stringconstant]}}
sb.insert(0, OString(s2, std::strlen(s2))); // expected-error {{in call of 'rtl::OStringBuffer::insert', elide explicit 'OString' constructor, and turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.insert(0, "foo");
sb.insert(0, s1);
sb.insert(0, s2); // expected-error {{in call of 'rtl::OStringBuffer::insert' with non-array string constant argument, turn the non-array string constant into an array [loplugin:stringconstant]}}
sb.insert(0, "foo", std::strlen("foo")); // expected-error {{rewrite call of 'rtl::OStringBuffer::insert' with string constant and matching length arguments as call of 'rtl::OStringBuffer::insert' [loplugin:stringconstant]}}
sb.insert(0, s1, 3/*std::strlen(s1)*/); // expected-error {{rewrite call of 'rtl::OStringBuffer::insert' with string constant and matching length arguments as call of 'rtl::OStringBuffer::insert' [loplugin:stringconstant]}}
sb.insert(0, s2, 3/*std::strlen(s2)*/); // expected-error {{rewrite call of 'rtl::OStringBuffer::insert' with string constant and matching length arguments as call of 'rtl::OStringBuffer::insert', and turn the non-array string constant into an array [loplugin:stringconstant]}}
foo(OUString("xxx")); // expected-error {{in call of 'foo', replace 'OUString' constructed from a string literal directly with the string literal [loplugin:stringconstant}}
Foo aFoo(OUString("xxx"), 1); // expected-error {{in call of 'Foo::Foo', replace 'OUString' constructed from a string literal directly with the string literal}}
(void)aFoo;
Foo aFoo2(OUString("xxx")); // expected-error {{in call of 'Foo::Foo', replace 'OUString' constructed from a string literal directly with the string literal}}
aFoo2.foo(OUString("xxx")); // expected-error {{in call of 'Foo::foo', replace 'OUString' constructed from a string literal directly with the string literal}}
Foo2 aFoo3(OString("xxx")); // expected-error {{in call of 'Foo2::Foo2', replace 'OUString' constructed from a string literal directly with the string literal}}
aFoo3.foo(OString("xxx")); // expected-error {{in call of 'Foo2::foo', replace 'OUString' constructed from a string literal directly with the string literal}}
(void) OUString("xxx", 3, RTL_TEXTENCODING_ASCII_US); // expected-error {{simplify construction of 'OUString' with string constant argument [loplugin:stringconstant]}}
(void) OUString("xxx", 3, RTL_TEXTENCODING_ISO_8859_1); // expected-error {{suspicious 'rtl::OUString' constructor with text encoding 12 but plain ASCII content; use 'RTL_TEXTENCODING_ASCII_US' instead [loplugin:stringconstant]}}
(void) OUString("x\xA0x", 3, RTL_TEXTENCODING_ISO_8859_1);
(void) OUString("xxx", 2, RTL_TEXTENCODING_ASCII_US); // expected-error {{suspicious 'rtl::OUString' constructor with literal of length 3 and non-matching length argument 2 [loplugin:stringconstant]}}
#if !defined __cpp_char8_t
(void) OUString(u8"xxx", 3, RTL_TEXTENCODING_ASCII_US); // expected-error {{simplify construction of 'OUString' with string constant argument [loplugin:stringconstant]}}
#endif
(void) OUString("\x80", 1, RTL_TEXTENCODING_UTF8); // expected-error {{suspicious 'rtl::OUString' constructor with text encoding 'RTL_TEXTENCODING_UTF8' but non-UTF-8 content [loplugin:stringconstant]}}
(void) OUString("\xC2\x80", 2, RTL_TEXTENCODING_UTF8); // expected-error {{simplify construction of 'OUString' with UTF-8 content as OUString(u"\u0080") [loplugin:stringconstant]}}
OUStringBuffer ub;
ub.append(""); // expected-error {{call of 'rtl::OUStringBuffer::append' with suspicious empty string constant argument [loplugin:stringconstant]}}
ub.append("foo\0bar"); // expected-error {{call of 'rtl::OUStringBuffer::append' with string constant argument containing embedded NULLs [loplugin:stringconstant]}}
ub.append("foo\x80" "bar"); // expected-error {{call of 'rtl::OUStringBuffer::append' with string constant argument containing non-ASCII characters [loplugin:stringconstant]}}
char const sc1[] = "";
ub.append(sc1); // expected-error {{call of 'rtl::OUStringBuffer::append' with suspicious empty string constant argument [loplugin:stringconstant]}}
char const sc2[] = "foo\0bar";
ub.append(sc2); // expected-error {{call of 'rtl::OUStringBuffer::append' with string constant argument containing embedded NULLs [loplugin:stringconstant]}}
char const sc3[] = "foo\x80" "bar";
ub.append(sc3); // expected-error {{call of 'rtl::OUStringBuffer::append' with string constant argument containing non-ASCII characters [loplugin:stringconstant]}}
char const sc4[] = {'f', 'o', 'o', 'b', 'a', 'r'};
ub.append(sc4); // expected-error {{call of 'rtl::OUStringBuffer::append' with string constant argument lacking a terminating NULL [loplugin:stringconstant]}}
ub.append(static_cast<char const *>(sc1));
ub.append(static_cast<char const *>(sc2)); // at runtime: append "foo"
ub.append(static_cast<char const *>(sc3)); // at runtime: assert
ub.append(static_cast<char const *>(sc4)); // at runtime: UB
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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