jni: Check that JNI enums match those in the library.

1 files changed, 37 insertions, 0 deletions

diff --git a/platform/java/mupdf_native.c b/platform/java/mupdf_native.c
index 2c866000..ce0df3db 100644
--- a/platform/java/mupdf_native.c
+++ b/platform/java/mupdf_native.c
@@ -204,6 +204,40 @@ static pthread_key_t context_key;
 #endif
 static fz_context *base_context;
 
+static int check_enums()
+{
+	int valid = 1;
+
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_TEXT == PDF_ANNOT_TEXT;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_LINK == PDF_ANNOT_LINK;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_FREE_TEXT == PDF_ANNOT_FREE_TEXT;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_LINE == PDF_ANNOT_LINE;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_SQUARE == PDF_ANNOT_SQUARE;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_CIRCLE == PDF_ANNOT_CIRCLE;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_POLYGON == PDF_ANNOT_POLYGON;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_POLY_LINE == PDF_ANNOT_POLY_LINE;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_HIGHLIGHT == PDF_ANNOT_HIGHLIGHT;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_UNDERLINE == PDF_ANNOT_UNDERLINE;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_SQUIGGLY == PDF_ANNOT_SQUIGGLY;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_STRIKE_OUT == PDF_ANNOT_STRIKE_OUT;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_STAMP == PDF_ANNOT_STAMP;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_CARET == PDF_ANNOT_CARET;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_INK == PDF_ANNOT_INK;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_POPUP == PDF_ANNOT_POPUP;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_FILE_ATTACHMENT == PDF_ANNOT_FILE_ATTACHMENT;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_SOUND == PDF_ANNOT_SOUND;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_MOVIE == PDF_ANNOT_MOVIE;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_WIDGET == PDF_ANNOT_WIDGET;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_SCREEN == PDF_ANNOT_SCREEN;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_PRINTER_MARK == PDF_ANNOT_PRINTER_MARK;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_TRAP_NET == PDF_ANNOT_TRAP_NET;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_WATERMARK == PDF_ANNOT_WATERMARK;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_3D == PDF_ANNOT_3D;
+	valid &= com_artifex_mupdf_fitz_PDFAnnotation_TYPE_UNKNOWN == PDF_ANNOT_UNKNOWN;
+
+	return valid ? 1 : 0;
+}
+
 /* Helper functions to set the java exception flag. */
 
 static void jni_throw(JNIEnv *env, int type, const char *mess)
@@ -922,6 +956,9 @@ JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *vm, void *reserved)
 JNIEXPORT jint JNICALL
 FUN(Context_initNative)(JNIEnv *env, jclass cls)
 {
+	if (!check_enums())
+		return -1;
+
 	/* Must init the context before find_finds, because the act of
 	 * finding the fids can cause classes to load. This causes
 	 * statics to be setup, which can in turn call JNI code, which