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Identifier::null, isNull, isValid methods.

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This commit is contained in:
jules 2012-10-05 17:24:35 +01:00
parent ed83df2d75
commit 7fbd29e84e
2 changed files with 16 additions and 5 deletions
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12
modules/juce_core/text/juce_Identifier.cpp
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@ -45,16 +45,16 @@ Identifier& Identifier::operator= (const Identifier& other) noexcept
return *this;
}
Identifier::Identifier (const String& name_)
: name (Identifier::getPool().getPooledString (name_))
Identifier::Identifier (const String& nm)
: name (Identifier::getPool().getPooledString (nm))
{
/* An Identifier string must be suitable for use as a script variable or XML
attribute, so it can only contain this limited set of characters.. */
jassert (isValidIdentifier (name_));
jassert (isValidIdentifier (nm));
}
Identifier::Identifier (const char* const name_)
: name (Identifier::getPool().getPooledString (name_))
Identifier::Identifier (const char* const nm)
: name (Identifier::getPool().getPooledString (nm))
{
/* An Identifier string must be suitable for use as a script variable or XML
attribute, so it can only contain this limited set of characters.. */
@ -65,6 +65,8 @@ Identifier::~Identifier()
{
}
Identifier Identifier::null;
bool Identifier::isValidIdentifier (const String& possibleIdentifier) noexcept
{
return possibleIdentifier.isNotEmpty()

9
modules/juce_core/text/juce_Identifier.h
View file

@ -81,6 +81,15 @@ public:
/** Returns this identifier's raw string pointer. */
const String::CharPointerType getCharPointer() const noexcept { return name; }
/** Returns true if this Identifier is not null */
bool isValid() const noexcept { return name.getAddress() != nullptr; }
/** Returns true if this Identifier is null */
bool isNull() const noexcept { return name.getAddress() == nullptr; }
/** A null identifier. */
static Identifier null;
/** Checks a given string for characters that might not be valid in an Identifier.
Since Identifiers are used as a script variables and XML attributes, they should only contain
alphanumeric characters, underscores, or the '-' and ':' characters.