WIP

1 files changed, 82 insertions, 0 deletions

diff --git a/sax/inc/sax_processor_builder.hh b/sax/inc/sax_processor_builder.hh
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+++ b/sax/inc/sax_processor_builder.hh
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+#ifndef MODXML_SAX_PROCESSOR_BUILDER_HH
+#define MODXML_SAX_PROCESSOR_BUILDER_HH
+
+#include <memory>
+#include <string>
+
+namespace modxml {
+namespace sax {
+
+class DecoderFactory;
+class Delegate;
+class Processor;
+
+/**
+ * Used to construct Processor's with options set if needed.
+ */
+class ProcessorBuilder {
+ public:
+  virtual ~ProcessorBuilder() = default;
+
+  /**
+   * Construct a ProcessorBuilder. All options are set to default.
+   */
+  static std::unique_ptr<ProcessorBuilder> create();
+
+  /**
+   * If you know the encoding of the data sent to the processor set it here,
+   * this will stop the processor from trying to autodetect and will ignore
+   * encoding in any xml declaration if found.
+   * If the encoding is unsupported/unknown the processor will fail with
+   * an error indicating this, same as if it read a xml declaration with
+   * an unsupported or unknown encoding.
+   */
+  virtual ProcessorBuilder* force_encoding(std::string const& str) = 0;
+
+  /**
+   * Set a decoder factory for encodings not supported by library.
+   * Library only calls this for encodings it doesn't support itself.
+   * Library supports UTF-8, UTF-16, UTF-32 and US-ASCII.
+   * If you want to force the decoder factory to be used, force a custom
+   * encoding with force_encoding above.
+   */
+  virtual ProcessorBuilder* custom_decoder_factory(
+      std::shared_ptr<DecoderFactory> custom_decoder_factory) = 0;
+
+  /**
+   * Set the default buffer size the processor should use.
+   * If you give a too small buffer size (such as zero) it will be ignored
+   * and a implementation specific minimum will be used instead.
+   * This is meant as a possible optimization and can be completely ignored.
+   * Note that the processor will allocate more data if it needed.
+   */
+  virtual ProcessorBuilder* set_default_buffer_size(std::size_t size) = 0;
+
+  /**
+   * Set the max buffer size the processor should use.
+   * If you have memory constraints this will block the processing of CDATA,
+   * or other entities from allocating more than the given size.
+   * Default is 10MiB.
+   */
+  virtual ProcessorBuilder* set_max_buffer_size(std::size_t size) = 0;
+
+  /**
+   * Call to construct a Processor with the options setup in this builder,
+   * using the delegate given as parameter.
+   * May be called multiple times, will create an unique Processor each time.
+   */
+  virtual std::unique_ptr<Processor> build(
+      std::shared_ptr<Delegate> delegate) const = 0;
+
+ protected:
+  ProcessorBuilder() = default;
+
+ private:
+  ProcessorBuilder(ProcessorBuilder const&) = delete;
+  ProcessorBuilder& operator=(ProcessorBuilder const&) = delete;
+};
+
+}  // namespace sax
+}  // namespace modxml
+
+#endif  // MODXML_SAX_PROCESSOR_BUILDER_HH