reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | #include "SkXMLParser.h" |
| 2 | #include "SkStream.h" |
| 3 | |
| 4 | static void reset(SkXMLPullParser::Curr* curr) |
| 5 | { |
| 6 | curr->fEventType = SkXMLPullParser::ERROR; |
| 7 | curr->fName = ""; |
| 8 | curr->fAttrInfoCount = 0; |
| 9 | curr->fIsWhitespace = false; |
| 10 | } |
| 11 | |
| 12 | SkXMLPullParser::SkXMLPullParser() : fStream(NULL) |
| 13 | { |
| 14 | fCurr.fEventType = ERROR; |
| 15 | fDepth = -1; |
| 16 | } |
| 17 | |
| 18 | SkXMLPullParser::SkXMLPullParser(SkStream* stream) : fStream(NULL) |
| 19 | { |
| 20 | fCurr.fEventType = ERROR; |
| 21 | fDepth = 0; |
| 22 | |
| 23 | this->setStream(stream); |
| 24 | } |
| 25 | |
| 26 | SkXMLPullParser::~SkXMLPullParser() |
| 27 | { |
| 28 | this->setStream(NULL); |
| 29 | } |
| 30 | |
| 31 | SkStream* SkXMLPullParser::setStream(SkStream* stream) |
| 32 | { |
| 33 | if (fStream && !stream) |
| 34 | this->onExit(); |
| 35 | |
| 36 | SkRefCnt_SafeAssign(fStream, stream); |
| 37 | |
| 38 | if (fStream) |
| 39 | { |
| 40 | fCurr.fEventType = START_DOCUMENT; |
| 41 | this->onInit(); |
| 42 | } |
| 43 | else |
| 44 | { |
| 45 | fCurr.fEventType = ERROR; |
| 46 | } |
| 47 | fDepth = 0; |
| 48 | |
| 49 | return fStream; |
| 50 | } |
| 51 | |
| 52 | SkXMLPullParser::EventType SkXMLPullParser::nextToken() |
| 53 | { |
| 54 | switch (fCurr.fEventType) { |
| 55 | case ERROR: |
| 56 | case END_DOCUMENT: |
| 57 | break; |
| 58 | case END_TAG: |
| 59 | fDepth -= 1; |
| 60 | // fall through |
| 61 | default: |
| 62 | reset(&fCurr); |
| 63 | fCurr.fEventType = this->onNextToken(); |
| 64 | break; |
| 65 | } |
| 66 | |
| 67 | switch (fCurr.fEventType) { |
| 68 | case START_TAG: |
| 69 | fDepth += 1; |
| 70 | break; |
| 71 | default: |
| 72 | break; |
| 73 | } |
| 74 | |
| 75 | return fCurr.fEventType; |
| 76 | } |
| 77 | |
| 78 | const char* SkXMLPullParser::getName() |
| 79 | { |
| 80 | switch (fCurr.fEventType) { |
| 81 | case START_TAG: |
| 82 | case END_TAG: |
| 83 | return fCurr.fName; |
| 84 | default: |
| 85 | return NULL; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | const char* SkXMLPullParser::getText() |
| 90 | { |
| 91 | switch (fCurr.fEventType) { |
| 92 | case TEXT: |
| 93 | case IGNORABLE_WHITESPACE: |
| 94 | return fCurr.fName; |
| 95 | default: |
| 96 | return NULL; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | bool SkXMLPullParser::isWhitespace() |
| 101 | { |
| 102 | switch (fCurr.fEventType) { |
| 103 | case IGNORABLE_WHITESPACE: |
| 104 | return true; |
| 105 | case TEXT: |
| 106 | case CDSECT: |
| 107 | return fCurr.fIsWhitespace; |
| 108 | default: |
| 109 | return false; // unknown/illegal |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | int SkXMLPullParser::getAttributeCount() |
| 114 | { |
| 115 | return fCurr.fAttrInfoCount; |
| 116 | } |
| 117 | |
| 118 | void SkXMLPullParser::getAttributeInfo(int index, AttrInfo* info) |
| 119 | { |
| 120 | SkASSERT((unsigned)index < (unsigned)fCurr.fAttrInfoCount); |
| 121 | |
| 122 | if (info) |
| 123 | *info = fCurr.fAttrInfos[index]; |
| 124 | } |
| 125 | |
| 126 | bool SkXMLPullParser::onEntityReplacement(const char name[], |
| 127 | SkString* replacement) |
| 128 | { |
| 129 | // TODO: std 5 entities here |
| 130 | return false; |
| 131 | } |
| 132 | |