From 3117219e7c343645d7cb3d3c19fbc6a126522695 Mon Sep 17 00:00:00 2001 From: "arseny.kapoulkine" Date: Thu, 24 Jun 2010 12:28:17 +0000 Subject: 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 --- docs/manual.qbk | 21 ++------ docs/samples/custom_memory_management.cpp | 25 ++++++++++ docs/samples/load_stream.cpp | 68 ++++++++++++++++++++++++++ docs/samples/weekly-shift_jis.xml | 78 ++++++++++++++++++++++++++++++ docs/samples/weekly-utf-16.xml | Bin 0 -> 3186 bytes docs/samples/weekly-utf-8.xml | 78 ++++++++++++++++++++++++++++++ 6 files changed, 254 insertions(+), 16 deletions(-) create mode 100644 docs/samples/custom_memory_management.cpp create mode 100644 docs/samples/load_stream.cpp create mode 100644 docs/samples/weekly-shift_jis.xml create mode 100644 docs/samples/weekly-utf-16.xml create mode 100644 docs/samples/weekly-utf-8.xml diff --git a/docs/manual.qbk b/docs/manual.qbk index 8b3bea6..5668906 100644 --- a/docs/manual.qbk +++ b/docs/manual.qbk @@ -375,22 +375,11 @@ You can use the following accessor functions to change or get current memory man Allocation function is called with the size (in bytes) as an argument and should return a pointer to memory block with alignment that is suitable for pointer storage and size that is greater or equal to the requested one. If the allocation fails, the function has to return null pointer (throwing an exception from allocation function results in undefined behavior). Deallocation function is called with the pointer that was returned by the previous call or with a null pointer; null pointer deallocation should be handled as a no-op. If memory management functions are not thread-safe, library thread safety is not guaranteed. -This is a simple example of custom memory management: - - void* custom_allocate(size_t size) - { - return new (std::nothrow) char[size]; - } - - void custom_deallocate(void* ptr) - { - delete[] static_cast(ptr); - } - - int main() - { - pugi::set_memory_management_functions(custom_allocate, custom_deallocate); - } +This is a simple example of custom memory management ([@samples/custom_memory_management.cpp]) + +[import samples/custom_memory_management.cpp] +[code_custom_memory_management_decl] +[code_custom_memory_management_call] When setting new memory management functions, care must be taken to make sure that there are no live pugixml objects. Otherwise when the objects are destroyed, the new deallocation function will be called with the memory obtained by the old allocation function, resulting in undefined behavior. diff --git a/docs/samples/custom_memory_management.cpp b/docs/samples/custom_memory_management.cpp new file mode 100644 index 0000000..01a2acf --- /dev/null +++ b/docs/samples/custom_memory_management.cpp @@ -0,0 +1,25 @@ +#include "pugixml.hpp" + +#include + +//[code_custom_memory_management_decl +void* custom_allocate(size_t size) +{ + return new (std::nothrow) char[size]; +} + +void custom_deallocate(void* ptr) +{ + delete[] static_cast(ptr); +} +//] + +int main() +{ +//[code_custom_memory_management_call + pugi::set_memory_management_functions(custom_allocate, custom_deallocate); +//] + + pugi::xml_document doc; + doc.load(""); +} 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 +#include +#include + +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); + } +} diff --git a/docs/samples/weekly-shift_jis.xml b/docs/samples/weekly-shift_jis.xml new file mode 100644 index 0000000..7421455 --- /dev/null +++ b/docs/samples/weekly-shift_jis.xml @@ -0,0 +1,78 @@ + + + +<週報> + <年月週> + <年度>1997 + <月度>1 + <週>1 + + + <氏名> + <氏>山田 + <名>太郎 + + + <業務報告リスト> + <業務報告> + <業務名>XMLエディターの作成 + <業務コード>X3355-23 + <工数管理> + <見積もり工数>1600 + <実績工数>320 + <当月見積もり工数>160 + <当月実績工数>24 + + <予定項目リスト> + <予定項目> +

XMLエディターの基本仕様の作成

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XMLエディターの基本仕様の作成

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特になし

+ + + <問題点対策> +

XMLとは何かわからない。

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gooの機能を調べてみる

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更に、どういう検索エンジンがあるか調査する

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+ + + <問題点対策> +

検索エンジンで車を走らせることができない。（要調査）

+ + + + diff --git a/docs/samples/weekly-utf-16.xml b/docs/samples/weekly-utf-16.xml new file mode 100644 index 0000000..6c8622a Binary files /dev/null and b/docs/samples/weekly-utf-16.xml differ diff --git a/docs/samples/weekly-utf-8.xml b/docs/samples/weekly-utf-8.xml new file mode 100644 index 0000000..497f572 --- /dev/null +++ b/docs/samples/weekly-utf-8.xml @@ -0,0 +1,78 @@ + + + +<騾ｱ蝣ｱ> + <蟷ｴ譛磯ｱ> + <蟷ｴ蠎ｦ>1997 + <譛亥ｺｦ>1 + <騾ｱ>1 + + + <豌丞錐> + <豌>螻ｱ逕ｰ + <蜷>螟ｪ驛 + + + <讌ｭ蜍吝ｱ蜻翫Μ繧ｹ繝> + <讌ｭ蜍吝ｱ蜻> + <讌ｭ蜍吝錐>XML繧ｨ繝繧｣繧ｿ繝ｼ縺ｮ菴懈 + <讌ｭ蜍吶さ繝ｼ繝>X3355-23 + <蟾･謨ｰ邂｡逅> + <隕狗ｩ阪ｂ繧雁ｷ･謨ｰ>1600 + <螳溽ｸｾ蟾･謨ｰ>320 + <蠖捺怦隕狗ｩ阪ｂ繧雁ｷ･謨ｰ>160 + <蠖捺怦螳溽ｸｾ蟾･謨ｰ>24 + + <莠亥ｮ夐逶ｮ繝ｪ繧ｹ繝> + <莠亥ｮ夐逶ｮ> +

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+ + + + -- cgit v1.2.3