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Make second parameter of substr optional

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This commit is contained in:
Tomasz Chabora 2019-05-03 14:21:04 +02:00
parent 913620a9b8
commit 0b8a785539
4 changed files with 7 additions and 4 deletions
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3
core/ustring.cpp
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@ -2292,6 +2292,9 @@ String String::insert(int p_at_pos, const String &p_string) const {
}
String String::substr(int p_from, int p_chars) const {
if (p_chars == -1)
p_chars = length() - p_from;
if (empty() || p_from < 0 || p_from >= length() || p_chars <= 0)
return "";

2
core/ustring.h
View file

@ -201,7 +201,7 @@ public:
}
/* complex helpers */
String substr(int p_from, int p_chars) const;
String substr(int p_from, int p_chars = -1) const;
int find(const String &p_str, int p_from = 0) const; ///< return <0 if failed
int find(const char *p_str, int p_from = 0) const; ///< return <0 if failed
int find_char(const CharType &p_char, int p_from = 0) const; ///< return <0 if failed

2
core/variant_call.cpp
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@ -1494,7 +1494,7 @@ void register_variant_methods() {
ADDFUNC1R(STRING, INT, String, casecmp_to, STRING, "to", varray());
ADDFUNC1R(STRING, INT, String, nocasecmp_to, STRING, "to", varray());
ADDFUNC0R(STRING, INT, String, length, varray());
ADDFUNC2R(STRING, STRING, String, substr, INT, "from", INT, "len", varray());
ADDFUNC2R(STRING, STRING, String, substr, INT, "from", INT, "len", varray(-1));
ADDFUNC2R(STRING, INT, String, find, STRING, "what", INT, "from", varray(0));

4
doc/classes/String.xml
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@ -748,10 +748,10 @@
</return>
<argument index="0" name="from" type="int">
</argument>
<argument index="1" name="len" type="int">
<argument index="1" name="len" type="int" default="-1">
</argument>
<description>
Returns part of the string from the position [code]from[/code] with length [code]len[/code].
Returns part of the string from the position [code]from[/code] with length [code]len[/code]. Argument [code]len[/code] is optional and using -1 will return remaining characters from given position.
</description>
</method>
<method name="to_ascii">