The QSourceLocation class identifies a location in a resource by URI, line, and column. 更多...
The QSourceLocation class identifies a location in a resource by URI, line, and column.
QSourceLocation is a simple value based class that has three 特性， uri (), line ()，和 column (), that, taken together, identify a certain point in a resource, e.g., a file or an in-memory document.
line () 和 column () refer to character counts (not byte counts), and they both start from 1, as opposed to 0.
构造 QSourceLocation that doesn't identify anything at all.
For a default constructed QSourceLocation(), isNull () 返回 true .
构造 QSourceLocation that is a copy of other .
构造 QSourceLocation with URI u , line l and column c .
Returns the current column number. The column number refers to the count of characters, not bytes. The first column is column 1, not 0. The default value is -1, indicating the column number is unknown.
另请参阅 setColumn ().
返回 true 若此 QSourceLocation doesn't identify anything.
For a default constructed QSourceLocation ，此函数返回 true . The same applies for any other QSourceLocation whose uri () is invalid.
Returns the current line number. The first line number is 1, not 0. The default value is -1, indicating the line number is unknown.
另请参阅 setLine ().
Sets the column number to newColumn . 0 is an invalid column number. The first column number is 1.
另请参阅 column ().
Sets the line number to newLine . 0 is an invalid line number. The first line number is 1.
另请参阅 line ().
Sets the URI to newUri .
另请参阅 uri ().
Returns the resource that this QSourceLocation refers to. For example, the resource could be a file in the local file system, if the URI scheme is file .
另请参阅 setUri ().
