xref: /aoo42x/main/xmlreader/source/pad.cxx (revision b63233d8)
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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21 
22 
23 
24 #include "sal/config.h"
25 #include "osl/diagnose.h"
26 #include "rtl/string.h"
27 #include "sal/types.h"
28 #include "xmlreader/pad.hxx"
29 #include "xmlreader/span.hxx"
30 
31 namespace xmlreader {
32 
add(char const * begin,sal_Int32 length)33 void Pad::add(char const * begin, sal_Int32 length) {
34     OSL_ASSERT(
35         begin != 0 && length >= 0 && !(span_.is() && buffer_.getLength() != 0));
36     if (length != 0) {
37         flushSpan();
38         if (buffer_.getLength() == 0) {
39             span_ = Span(begin, length);
40         } else {
41             buffer_.append(begin, length);
42         }
43     }
44 }
45 
addEphemeral(char const * begin,sal_Int32 length)46 void Pad::addEphemeral(char const * begin, sal_Int32 length) {
47     OSL_ASSERT(
48         begin != 0 && length >= 0 && !(span_.is() && buffer_.getLength() != 0));
49     if (length != 0) {
50         flushSpan();
51         buffer_.append(begin, length);
52     }
53 }
54 
clear()55 void Pad::clear() {
56     OSL_ASSERT(!(span_.is() && buffer_.getLength() != 0));
57     span_.clear();
58     buffer_.setLength(0);
59 }
60 
get() const61 Span Pad::get() const {
62     OSL_ASSERT(!(span_.is() && buffer_.getLength() != 0));
63     if (span_.is()) {
64         return span_;
65     } else if (buffer_.getLength() == 0) {
66         return Span(RTL_CONSTASCII_STRINGPARAM(""));
67     } else {
68         return Span(buffer_.getStr(), buffer_.getLength());
69     }
70 }
71 
flushSpan()72 void Pad::flushSpan() {
73     if (span_.is()) {
74         buffer_.append(span_.begin, span_.length);
75         span_.clear();
76     }
77 }
78 
79 }
80