diff options
Diffstat (limited to 'src/iso19111/io.cpp')
| -rw-r--r-- | src/iso19111/io.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/iso19111/io.cpp b/src/iso19111/io.cpp index 9f4f6061..5ccd9642 100644 --- a/src/iso19111/io.cpp +++ b/src/iso19111/io.cpp @@ -86,6 +86,10 @@ using json = nlohmann::json; //! @cond Doxygen_Suppress static const std::string emptyString{}; + +// If changing that value, change it in data/projjson.schema.json as well +#define PROJJSON_CURRENT_VERSION \ + "https://proj.org/schemas/v0.1/projjson.schema.json" //! @endcond #if 0 @@ -9103,6 +9107,7 @@ struct JSONFormatter::Private { bool allowIDInImmediateChild_ = false; bool omitTypeInImmediateChild_ = false; bool abridgedTransformation_ = false; + std::string schema_ = PROJJSON_CURRENT_VERSION; std::string result_{}; @@ -9148,6 +9153,17 @@ JSONFormatter &JSONFormatter::setIndentationWidth(int width) noexcept { // --------------------------------------------------------------------------- +/** \brief Set the value of the "$schema" key in the top level object. + * + * If set to empty string, it will not be written. + */ +JSONFormatter &JSONFormatter::setSchema(const std::string &schema) noexcept { + d->schema_ = schema; + return *this; +} + +// --------------------------------------------------------------------------- + //! @cond Doxygen_Suppress JSONFormatter::JSONFormatter() : d(internal::make_unique<Private>()) {} @@ -9188,6 +9204,11 @@ JSONFormatter::ObjectContext::ObjectContext(JSONFormatter &formatter, const char *objectType, bool hasId) : m_formatter(formatter) { m_formatter.d->writer_.StartObj(); + if (m_formatter.d->outputIdStack_.size() == 1 && + !m_formatter.d->schema_.empty()) { + m_formatter.d->writer_.AddObjKey("$schema"); + m_formatter.d->writer_.Add(m_formatter.d->schema_); + } if (objectType && !m_formatter.d->omitTypeInImmediateChild_) { m_formatter.d->writer_.AddObjKey("type"); m_formatter.d->writer_.Add(objectType); |