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CharReader: Add StructuredError (#1409)

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* CharReader: Add Structured Error

Add getStructuredError to CharReader

* run clang format

---------

Co-authored-by: Jordan Bayles <bayles.jordan@gmail.com>
Co-authored-by: Jordan Bayles <jophba@chromium.org>
This commit is contained in:
martinduffy1
2024-09-09 21:48:54 -04:00
committed by GitHub
parent c857395951
commit c04c0c2131
3 changed files with 97 additions and 20 deletions
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27
include/json/reader.h
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@@ -244,6 +244,12 @@ private:
*/
class JSON_API CharReader {
public:
struct JSON_API StructuredError {
ptrdiff_t offset_start;
ptrdiff_t offset_limit;
String message;
};
virtual ~CharReader() = default;
/** \brief Read a Value from a <a HREF="http://www.json.org">JSON</a>
* document. The document must be a UTF-8 encoded string containing the
@@ -262,7 +268,12 @@ public:
* error occurred.
*/
virtual bool parse(char const* beginDoc, char const* endDoc, Value* root,
String* errs) = 0;
String* errs);
/** \brief Returns a vector of structured errors encountered while parsing.
* Each parse call resets the stored list of errors.
*/
std::vector<StructuredError> getStructuredErrors() const;
class JSON_API Factory {
public:
@@ -272,6 +283,20 @@ public:
*/
virtual CharReader* newCharReader() const = 0;
}; // Factory
protected:
class Impl {
public:
virtual ~Impl() = default;
virtual bool parse(char const* beginDoc, char const* endDoc, Value* root,
String* errs) = 0;
virtual std::vector<StructuredError> getStructuredErrors() const = 0;
};
explicit CharReader(std::unique_ptr<Impl> impl) : _impl(std::move(impl)) {}
private:
std::unique_ptr<Impl> _impl;
}; // CharReader
/** \brief Build a CharReader implementation.