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Merge pull request #21708 from hpvb/fix-21242v2

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String[size()] should return a default constructed CharType
This commit is contained in:
Hein-Pieter van Braam 2019-01-04 20:57:22 +01:00 committed by GitHub
commit 5e6c6f3bb7
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 49 additions and 2 deletions
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3
core/ustring.cpp
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@ -58,6 +58,9 @@
#define IS_DIGIT(m_d) ((m_d) >= '0' && (m_d) <= '9')
#define IS_HEX_DIGIT(m_d) (((m_d) >= '0' && (m_d) <= '9') || ((m_d) >= 'a' && (m_d) <= 'f') || ((m_d) >= 'A' && (m_d) <= 'F'))
const char CharString::_null = 0;
const CharType String::_null = 0;
bool is_symbol(CharType c) {
return c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t' || c == ' ');
}

20
core/ustring.h
View File

@ -47,6 +47,7 @@ class CharProxy {
const int _index;
CowData<T> &_cowdata;
static const T _null = 0;
_FORCE_INLINE_ CharProxy(const int &p_index, CowData<T> &cowdata) :
_index(p_index),
@ -54,6 +55,9 @@ class CharProxy {
public:
_FORCE_INLINE_ operator T() const {
if (unlikely(_index == _cowdata.size()))
return _null;
return _cowdata.get(_index);
}
@ -73,6 +77,7 @@ public:
class CharString {
CowData<char> _cowdata;
static const char _null;
public:
_FORCE_INLINE_ char *ptrw() { return _cowdata.ptrw(); }
@ -83,7 +88,12 @@ public:
_FORCE_INLINE_ char get(int p_index) { return _cowdata.get(p_index); }
_FORCE_INLINE_ const char get(int p_index) const { return _cowdata.get(p_index); }
_FORCE_INLINE_ void set(int p_index, const char &p_elem) { _cowdata.set(p_index, p_elem); }
_FORCE_INLINE_ const char &operator[](int p_index) const { return _cowdata.get(p_index); }
_FORCE_INLINE_ const char &operator[](int p_index) const {
if (unlikely(p_index == _cowdata.size()))
return _null;
return _cowdata.get(p_index);
}
_FORCE_INLINE_ CharProxy<char> operator[](int p_index) { return CharProxy<char>(p_index, _cowdata); }
_FORCE_INLINE_ CharString() {}
@ -112,6 +122,7 @@ struct StrRange {
class String {
CowData<CharType> _cowdata;
static const CharType _null;
void copy_from(const char *p_cstr);
void copy_from(const CharType *p_cstr, const int p_clip_to = -1);
@ -138,7 +149,12 @@ public:
_FORCE_INLINE_ int size() const { return _cowdata.size(); }
Error resize(int p_size) { return _cowdata.resize(p_size); }
_FORCE_INLINE_ const CharType &operator[](int p_index) const { return _cowdata.get(p_index); }
_FORCE_INLINE_ const CharType &operator[](int p_index) const {
if (unlikely(p_index == _cowdata.size()))
return _null;
return _cowdata.get(p_index);
}
_FORCE_INLINE_ CharProxy<CharType> operator[](int p_index) { return CharProxy<CharType>(p_index, _cowdata); }
bool operator==(const String &p_str) const;

28
main/tests/test_string.cpp
View File

@ -941,6 +941,33 @@ bool test_30() {
state = state && success;
OS::get_singleton()->print("Capitalize %ls: %ls, %s\n", input.c_str(), output.c_str(), success ? "OK" : "FAIL");
return state;
}
bool test_31() {
bool state = true;
bool success;
String a = "";
success = a[0] == 0;
OS::get_singleton()->print("Is 0 String[0]:, %s\n", success ? "OK" : "FAIL");
if (!success) state = false;
String b = "Godot";
success = b[b.size()] == 0;
OS::get_singleton()->print("Is 0 String[size()]:, %s\n", success ? "OK" : "FAIL");
if (!success) state = false;
const String c = "";
success = c[0] == 0;
OS::get_singleton()->print("Is 0 const String[0]:, %s\n", success ? "OK" : "FAIL");
if (!success) state = false;
const String d = "Godot";
success = d[d.size()] == 0;
OS::get_singleton()->print("Is 0 const String[size()]:, %s\n", success ? "OK" : "FAIL");
if (!success) state = false;
return state;
};
@ -978,6 +1005,7 @@ TestFunc test_funcs[] = {
test_28,
test_29,
test_30,
test_31,
0
};