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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/s3select/rapidjson/example/capitalize/capitalize.cpp
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/s3select/rapidjson/example/capitalize/capitalize.cpp')
-rw-r--r--src/s3select/rapidjson/example/capitalize/capitalize.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/s3select/rapidjson/example/capitalize/capitalize.cpp b/src/s3select/rapidjson/example/capitalize/capitalize.cpp
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+// JSON condenser example
+
+// This example parses JSON from stdin with validation,
+// and re-output the JSON content to stdout with all string capitalized, and without whitespace.
+
+#include "rapidjson/reader.h"
+#include "rapidjson/writer.h"
+#include "rapidjson/filereadstream.h"
+#include "rapidjson/filewritestream.h"
+#include "rapidjson/error/en.h"
+#include <vector>
+#include <cctype>
+
+using namespace rapidjson;
+
+template<typename OutputHandler>
+struct CapitalizeFilter {
+ CapitalizeFilter(OutputHandler& out) : out_(out), buffer_() {}
+
+ bool Null() { return out_.Null(); }
+ bool Bool(bool b) { return out_.Bool(b); }
+ bool Int(int i) { return out_.Int(i); }
+ bool Uint(unsigned u) { return out_.Uint(u); }
+ bool Int64(int64_t i) { return out_.Int64(i); }
+ bool Uint64(uint64_t u) { return out_.Uint64(u); }
+ bool Double(double d) { return out_.Double(d); }
+ bool RawNumber(const char* str, SizeType length, bool copy) { return out_.RawNumber(str, length, copy); }
+ bool String(const char* str, SizeType length, bool) {
+ buffer_.clear();
+ for (SizeType i = 0; i < length; i++)
+ buffer_.push_back(static_cast<char>(std::toupper(str[i])));
+ return out_.String(&buffer_.front(), length, true); // true = output handler need to copy the string
+ }
+ bool StartObject() { return out_.StartObject(); }
+ bool Key(const char* str, SizeType length, bool copy) { return String(str, length, copy); }
+ bool EndObject(SizeType memberCount) { return out_.EndObject(memberCount); }
+ bool StartArray() { return out_.StartArray(); }
+ bool EndArray(SizeType elementCount) { return out_.EndArray(elementCount); }
+
+ OutputHandler& out_;
+ std::vector<char> buffer_;
+
+private:
+ CapitalizeFilter(const CapitalizeFilter&);
+ CapitalizeFilter& operator=(const CapitalizeFilter&);
+};
+
+int main(int, char*[]) {
+ // Prepare JSON reader and input stream.
+ Reader reader;
+ char readBuffer[65536];
+ FileReadStream is(stdin, readBuffer, sizeof(readBuffer));
+
+ // Prepare JSON writer and output stream.
+ char writeBuffer[65536];
+ FileWriteStream os(stdout, writeBuffer, sizeof(writeBuffer));
+ Writer<FileWriteStream> writer(os);
+
+ // JSON reader parse from the input stream and let writer generate the output.
+ CapitalizeFilter<Writer<FileWriteStream> > filter(writer);
+ if (!reader.Parse(is, filter)) {
+ fprintf(stderr, "\nError(%u): %s\n", static_cast<unsigned>(reader.GetErrorOffset()), GetParseError_En(reader.GetParseErrorCode()));
+ return 1;
+ }
+
+ return 0;
+}