diff options
| author | arseny.kapoulkine <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640> | 2010-06-24 12:28:17 +0000 |
|---|---|---|
| committer | arseny.kapoulkine <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640> | 2010-06-24 12:28:17 +0000 |
| commit | 3117219e7c343645d7cb3d3c19fbc6a126522695 (patch) | |
| tree | 274e9a5508aae06e72602b663f08b1cae720c5cc /docs/samples/load_stream.cpp | |
| parent | 8d6177ebd8d7cc54839d80525936aa76746e4d33 (diff) | |
docs: Extracted sample code in a separate file, added stream loading sample prototype
git-svn-id: http://pugixml.googlecode.com/svn/trunk@534 99668b35-9821-0410-8761-19e4c4f06640
Diffstat (limited to 'docs/samples/load_stream.cpp')
| -rw-r--r-- | docs/samples/load_stream.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/docs/samples/load_stream.cpp b/docs/samples/load_stream.cpp new file mode 100644 index 0000000..4aba8bd --- /dev/null +++ b/docs/samples/load_stream.cpp @@ -0,0 +1,68 @@ +#include "pugixml.hpp"
+
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+
+void print_doc(const char* message, const pugi::xml_document& doc, const pugi::xml_parse_result& result)
+{
+ std::cout
+ << message
+ << "\t: load result '" << result.description() << "'"
+ << ", first character of root name: U+" << std::hex << std::uppercase << std::setw(4) << std::setfill('0') << pugi::as_wide(doc.first_child().name())[0]
+ << ", year: " << doc.first_child().first_child().first_child().child_value()
+ << std::endl;
+}
+
+int main()
+{
+ pugi::xml_document doc;
+
+ {
+ std::ifstream stream("weekly-utf-8.xml");
+ pugi::xml_parse_result result = doc.load(stream);
+
+ // first character of root name: U+9031, year: 1997
+ print_doc("UTF8 file from narrow stream", doc, result);
+ }
+
+ {
+ std::ifstream stream("weekly-utf-16.xml");
+ pugi::xml_parse_result result = doc.load(stream);
+
+ // first character of root name: U+9031, year: 1997
+ print_doc("UTF16 file from narrow stream", doc, result);
+ }
+
+ {
+ // Since wide streams are treated as UTF-16/32 ones, you can't load the UTF-8 file from a wide stream
+ // directly if you have localized characters; you'll have to provide a UTF8 locale (there is no
+ // standard one; you can use utf8_codecvt_facet from Boost (WHAT?))
+ std::wifstream stream("weekly-utf-8.xml");
+ pugi::xml_parse_result result = doc.load(stream);
+
+ // first character of root name: U+00E9, year: 1997
+ print_doc("UTF8 file from wide stream", doc, result);
+ }
+
+ {
+ // Since wide streams are treated as UTF-16/32 ones, you can't load the UTF-16 file from a wide stream
+ // at all; you'll have to provide a UTF16 locale (WHAT??)
+ std::wifstream stream("weekly-utf-16.xml");
+ pugi::xml_parse_result result = doc.load(stream);
+
+ // first character of root name: U+0000, year:
+ print_doc("UTF16 file from wide stream", doc, result);
+ }
+
+ {
+ // Since encoding names are non-standard, you can't load the Shift-JIS (or any other non-ASCII) file
+ // from a wide stream portably; this code assumes Microsoft C Runtime Libraries (WHAT???)
+ std::wifstream stream("weekly-shift_jis.xml");
+ stream.imbue(std::locale(".932"));
+ pugi::xml_parse_result result = doc.load(stream);
+
+ // first character of root name: U+9031, year: 1997
+ print_doc("Shift-JIS file from wide stream", doc, result);
+ }
+}
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