diff options
Diffstat (limited to 'src/xml.cpp')
| -rw-r--r-- | src/xml.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/xml.cpp b/src/xml.cpp new file mode 100644 index 0000000..44b423a --- /dev/null +++ b/src/xml.cpp | |||
| @@ -0,0 +1,75 @@ | |||
| 1 | // Standard C++ | ||
| 2 | #include <memory> | ||
| 3 | #include <sstream> | ||
| 4 | |||
| 5 | // Projekt | ||
| 6 | #include "xml.hpp" | ||
| 7 | |||
| 8 | // Expat XML Parser | ||
| 9 | #define XML_STATIC // force static linkage | ||
| 10 | #include "expat.h" | ||
| 11 | |||
| 12 | using namespace std; | ||
| 13 | |||
| 14 | void | ||
| 15 | XML::parse(istream& in) | ||
| 16 | { | ||
| 17 | unique_ptr<XML_ParserStruct, decltype(&XML_ParserFree)> parser(XML_ParserCreate(nullptr), XML_ParserFree); | ||
| 18 | |||
| 19 | // setup expat | ||
| 20 | XML_SetUserData(parser.get(), this); | ||
| 21 | XML_SetElementHandler(parser.get(), tag_start, tag_end); | ||
| 22 | XML_SetCdataSectionHandler(parser.get(), cdata_start, cdata_end); | ||
| 23 | XML_SetCharacterDataHandler(parser.get(), data); | ||
| 24 | |||
| 25 | char buffer[2048]; | ||
| 26 | for ( bool done = false; !done ; ) { | ||
| 27 | in.read(buffer, sizeof buffer); | ||
| 28 | done = (in.gcount() < sizeof buffer); | ||
| 29 | |||
| 30 | if ( XML_Parse(parser.get(), buffer, static_cast<int>(in.gcount()), done) != XML_STATUS_OK ) { | ||
| 31 | stringstream msg; | ||
| 32 | |||
| 33 | msg << XML_ErrorString(XML_GetErrorCode(parser.get())); | ||
| 34 | msg << " in line " << XML_GetCurrentLineNumber(parser.get()); | ||
| 35 | |||
| 36 | throw runtime_error( msg.str() ); | ||
| 37 | } | ||
| 38 | } | ||
| 39 | } | ||
| 40 | |||
| 41 | void | ||
| 42 | XML::tag_start(void* me, const char* name, const char* attr[]) | ||
| 43 | { | ||
| 44 | vector<pair<string, string>> attr_temp; | ||
| 45 | |||
| 46 | for ( size_t i = 0; attr[i]; i += 2 ) | ||
| 47 | attr_temp.push_back( make_pair<string, string>(attr[i], attr[i+1]) ); | ||
| 48 | |||
| 49 | reinterpret_cast<XML*>(me)->handle_start(name, attr_temp); | ||
| 50 | } | ||
| 51 | |||
| 52 | void | ||
| 53 | XML::tag_end(void* me, const char* name) | ||
| 54 | { | ||
| 55 | reinterpret_cast<XML*>(me)->handle_end(name); | ||
| 56 | } | ||
| 57 | |||
| 58 | void | ||
| 59 | XML::cdata_start(void* me) | ||
| 60 | { | ||
| 61 | reinterpret_cast<XML*>(me)->handle_cdata_start(); | ||
| 62 | } | ||
| 63 | |||
| 64 | void | ||
| 65 | XML::cdata_end(void* me) | ||
| 66 | { | ||
| 67 | reinterpret_cast<XML*>(me)->handle_cdata_end(); | ||
| 68 | } | ||
| 69 | |||
| 70 | void | ||
| 71 | XML::data(void* me, const char* dat, int len) | ||
| 72 | { | ||
| 73 | reinterpret_cast<XML*>(me)->handle_data(vector<char>(dat, dat+len)); | ||
| 74 | } | ||
| 75 | |||