More iolayers work:

- rename the callback types
- move types and the call macros into iolayer.t
- move typedef for Imager__IO to imperl.h

so now io glue objects can be used from XS/Inline

diff --git a/Imager.xs b/Imager.xs
index 50fcc185fc0c08dc0f1ced20bc70232dbc064d85..b137cc19b57eee3e93db3c3e4fea41fe79348b12 100644 (file)
--- a/Imager.xs
+++ b/Imager.xs
@@ -17,8 +17,6 @@ extern "C" {
 #include "regmach.h"
 #include "imextdef.h"
 
-typedef io_glue* Imager__IO;
-
 #if i_int_hlines_testing()
 #include "imageri.h"
 #endif

diff --git a/MANIFEST b/MANIFEST
index 50f6faa844d94710519d660cad0bb501a6243ab6..2fb5b74b6cc5bd7810049c3420e0913238455b09 100644 (file)
--- a/MANIFEST
+++ b/MANIFEST
@@ -88,6 +88,7 @@ imperl.h
 io.c
 iolayer.c
 iolayer.h
+iolayert.h     IO layer types
 jpeg.c
 lib/Imager/API.pm
 lib/Imager/APIRef.pm    API function reference

diff --git a/imdatatypes.h b/imdatatypes.h
index af264b007d5c955b9baea2337b2caa1a283fe109..44d853816891ae434044c5cb6f994899f4bed956 100644 (file)
--- a/imdatatypes.h
+++ b/imdatatypes.h
@@ -516,6 +516,7 @@ enum {
   i_dmeasure_limit = 2,
 };
 
+#include "iolayert.h"
 
 #endif
 

diff --git a/imperl.h b/imperl.h
index 93db83795b95721dc3672f52aec0e8efc72c25b5..fad1d66cc542db52780968bc5606c8f21f158175 100644 (file)
--- a/imperl.h
+++ b/imperl.h
@@ -30,4 +30,6 @@ typedef FT2_Fonthandle* Imager__Font__FT2;
 #define IFILL_DESTROY(fill) i_fill_destroy(fill);
 typedef i_fill_t* Imager__FillHandle;
 
+typedef io_glue *Imager__IO;
+
 #endif

diff --git a/iolayer.c b/iolayer.c
index 9d1b1afb4fe48b708d24e2ee62c03f306638b899..078f9b975a77bd66526b4108fb7811a8716bdc4d 100644 (file)
--- a/iolayer.c
+++ b/iolayer.c
@@ -57,8 +57,8 @@ typedef struct {
   off_t cpos;                  /* Offset within the current */
 } io_ex_buffer;
 
-static void io_obj_setp_buffer(io_obj *io, char *p, size_t len, closebufp closecb, void *closedata);
-static void io_obj_setp_cb2     (io_obj *io, void *p, readl readcb, writel writecb, seekl seekcb, closel closecb, destroyl destroycb);
+static void io_obj_setp_buffer(io_obj *io, char *p, size_t len, i_io_closebufp_t closecb, void *closedata);
+static void io_obj_setp_cb2     (io_obj *io, void *p, i_io_readl_t readcb, i_io_writel_t writecb, i_io_seekl_t seekcb, i_io_closel_t closecb, i_io_destroyl_t destroycb);
 
 /* turn current offset, file length, whence and offset into a new offset */
 #define calc_seek_offset(curr_off, length, offset, whence) \
@@ -794,7 +794,7 @@ Sets an io_object for reading from a buffer source
 */
 
 static void
-io_obj_setp_buffer(io_obj *io, char *p, size_t len, closebufp closecb, 
+io_obj_setp_buffer(io_obj *io, char *p, size_t len, i_io_closebufp_t closecb, 
                   void *closedata) {
   io->buffer.type      = BUFFER;
   io->buffer.data      = p;
@@ -822,7 +822,7 @@ Sets an io_object for reading from a source that uses callbacks
 */
 
 static void
-io_obj_setp_cb2(io_obj *io, void *p, readl readcb, writel writecb, seekl seekcb, closel closecb, destroyl destroycb) {
+io_obj_setp_cb2(io_obj *io, void *p, i_io_readl_t readcb, i_io_writel_t writecb, i_io_seekl_t seekcb, i_io_closel_t closecb, i_io_destroyl_t destroycb) {
   io->cb.type      = CBSEEK;
   io->cb.p         = p;
   io->cb.readcb    = readcb;
@@ -936,7 +936,7 @@ from specified buffer.  Note that the buffer is not copied.
 */
 
 io_glue *
-io_new_buffer(char *data, size_t len, closebufp closecb, void *closedata) {
+io_new_buffer(char *data, size_t len, i_io_closebufp_t closecb, void *closedata) {
   io_glue *ig;
   io_ex_buffer *ieb = mymalloc(sizeof(io_ex_buffer));
   
@@ -997,8 +997,9 @@ io_new_fd(int fd) {
   return ig;
 }
 
-io_glue *io_new_cb(void *p, readl readcb, writel writecb, seekl seekcb, 
-                   closel closecb, destroyl destroycb) {
+io_glue *io_new_cb(void *p, i_io_readl_t readcb, i_io_writel_t writecb, 
+                  i_io_seekl_t seekcb, i_io_closel_t closecb, 
+                  i_io_destroyl_t destroycb) {
   io_glue *ig;
   io_ex_rseek *ier = mymalloc(sizeof(io_ex_rseek));
 

diff --git a/iolayer.h b/iolayer.h
index a4ec4771548784861b854b4ee71101fb7d7645c0..ec164c0f3f4fc9fb2e5e5e999602956b2a8e4731 100644 (file)
--- a/iolayer.h
+++ b/iolayer.h
@@ -12,11 +12,7 @@
  */
 
 
-#include <stdio.h>
-#ifndef _MSC_VER
-#include <unistd.h>
-#endif
-#include <sys/types.h>
+#include "iolayert.h"
 
 /* #define BBSIZ 1096 */
 #define BBSIZ 16384
@@ -24,104 +20,15 @@
 #define IO_TEMP_SEEK 1<<1L
 
 
-typedef enum { FDSEEK, FDNOSEEK, BUFFER, CBSEEK, CBNOSEEK, BUFCHAIN } io_type;
-
-#ifdef _MSC_VER
-typedef int ssize_t;
-#endif
-
-typedef struct i_io_glue_t i_io_glue_t;
-
-/* compatibility for now */
-typedef i_io_glue_t io_glue;
-
-/* Callbacks we give out */
-
-typedef ssize_t(*readp) (io_glue *ig, void *buf, size_t count);
-typedef ssize_t(*writep)(io_glue *ig, const void *buf, size_t count);
-typedef off_t  (*seekp) (io_glue *ig, off_t offset, int whence);
-typedef void   (*closep)(io_glue *ig);
-typedef ssize_t(*sizep) (io_glue *ig);
-
-typedef void   (*closebufp)(void *p);
-typedef void (*i_io_destroy_t)(i_io_glue_t *ig);
-
-
-/* Callbacks we get */
-
-typedef ssize_t(*readl) (void *p, void *buf, size_t count);
-typedef ssize_t(*writel)(void *p, const void *buf, size_t count);
-typedef off_t  (*seekl) (void *p, off_t offset, int whence);
-typedef void   (*closel)(void *p);
-typedef void   (*destroyl)(void *p);
-typedef ssize_t(*sizel) (void *p);
-
-extern char *io_type_names[];
-
-
-
-/* Structures to describe data sources */
-
-typedef struct {
-  io_type      type;
-  int          fd;
-} io_fdseek;
-
-typedef struct {
-  io_type      type;           /* Must be first parameter */
-  char         *name;          /* Data source name */
-  char         *data;
-  size_t       len;
-  closebufp     closecb;        /* free memory mapped segment or decrement refcount */
-  void          *closedata;
-} io_buffer;
-
-typedef struct {
-  io_type      type;           /* Must be first parameter */
-  char         *name;          /* Data source name */
-  void         *p;             /* Callback data */
-  readl                readcb;
-  writel       writecb;
-  seekl                seekcb;
-  closel        closecb;
-  destroyl      destroycb;
-} io_cb;
-
-typedef union {
-  io_type       type;
-  io_fdseek     fdseek;
-  io_buffer    buffer;
-  io_cb                cb;
-} io_obj;
-
-struct i_io_glue_t {
-  io_obj       source;
-  int          flags;          /* Flags */
-  void         *exdata;        /* Pair specific data */
-  readp                readcb;
-  writep       writecb;
-  seekp                seekcb;
-  closep       closecb;
-  sizep                sizecb;
-  i_io_destroy_t destroycb;
-};
-
 void io_glue_commit_types(io_glue *ig);
 void io_glue_gettypes    (io_glue *ig, int reqmeth);
 
-
 /* XS functions */
 io_glue *io_new_fd(int fd);
 io_glue *io_new_bufchain(void);
-io_glue *io_new_buffer(char *data, size_t len, closebufp closecb, void *closedata);
-io_glue *io_new_cb(void *p, readl readcb, writel writecb, seekl seekcb, closel closecb, destroyl destroycb);
+io_glue *io_new_buffer(char *data, size_t len, i_io_closebufp_t closecb, void *closedata);
+io_glue *io_new_cb(void *p, i_io_readl_t readcb, i_io_writel_t writecb, i_io_seekl_t seekcb, i_io_closel_t closecb, i_io_destroyl_t destroycb);
 size_t   io_slurp(io_glue *ig, unsigned char **c);
 void     io_glue_destroy(io_glue *ig);
 
-#define i_io_type(ig) ((ig)->source.ig_type)
-#define i_io_read(ig, buf, size) ((ig)->readcb((ig), (buf), (size)))
-#define i_io_write(ig, data, size) ((ig)->writecb((ig), (data), (size)))
-#define i_io_seek(ig, offset, whence) ((ig)->seekcb((ig), (offset), (whence)))
-#define i_io_close(ig) ((ig)->closecb(ig))
-
 #endif /* _IOLAYER_H_ */

diff --git a/iolayert.h b/iolayert.h
new file mode 100644 (file)
index 0000000..d56de92
--- /dev/null
+++ b/iolayert.h
@@ -0,0 +1,98 @@
+#ifndef IMAGER_IOLAYERT_H
+#define IMAGER_IOLAYERT_H
+
+#ifndef _MSC_VER
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+
+typedef enum { FDSEEK, FDNOSEEK, BUFFER, CBSEEK, CBNOSEEK, BUFCHAIN } io_type;
+
+#ifdef _MSC_VER
+typedef int ssize_t;
+#endif
+
+typedef struct i_io_glue_t i_io_glue_t;
+
+/* compatibility for now */
+typedef i_io_glue_t io_glue;
+
+/* Callbacks we give out */
+
+typedef ssize_t(*i_io_readp_t) (io_glue *ig, void *buf, size_t count);
+typedef ssize_t(*i_io_writep_t)(io_glue *ig, const void *buf, size_t count);
+typedef off_t  (*i_io_seekp_t) (io_glue *ig, off_t offset, int whence);
+typedef void   (*i_io_closep_t)(io_glue *ig);
+typedef ssize_t(*i_io_sizep_t) (io_glue *ig);
+
+typedef void   (*i_io_closebufp_t)(void *p);
+typedef void (*i_io_destroyp_t)(i_io_glue_t *ig);
+
+
+/* Callbacks we get */
+
+typedef ssize_t(*i_io_readl_t) (void *p, void *buf, size_t count);
+typedef ssize_t(*i_io_writel_t)(void *p, const void *buf, size_t count);
+typedef off_t  (*i_io_seekl_t) (void *p, off_t offset, int whence);
+typedef void   (*i_io_closel_t)(void *p);
+typedef void   (*i_io_destroyl_t)(void *p);
+typedef ssize_t(*i_io_sizel_t) (void *p);
+
+extern char *io_type_names[];
+
+
+
+/* Structures to describe data sources */
+
+typedef struct {
+  io_type      type;
+  int          fd;
+} io_fdseek;
+
+typedef struct {
+  io_type      type;           /* Must be first parameter */
+  char         *name;          /* Data source name */
+  char         *data;
+  size_t       len;
+  i_io_closebufp_t     closecb;        /* free memory mapped segment or decrement refcount */
+  void          *closedata;
+} io_buffer;
+
+typedef struct {
+  io_type      type;           /* Must be first parameter */
+  char         *name;          /* Data source name */
+  void         *p;             /* Callback data */
+  i_io_readl_t readcb;
+  i_io_writel_t        writecb;
+  i_io_seekl_t seekcb;
+  i_io_closel_t closecb;
+  i_io_destroyl_t      destroycb;
+} io_cb;
+
+typedef union {
+  io_type       type;
+  io_fdseek     fdseek;
+  io_buffer    buffer;
+  io_cb                cb;
+} io_obj;
+
+struct i_io_glue_t {
+  io_obj       source;
+  int          flags;          /* Flags */
+  void         *exdata;        /* Pair specific data */
+  i_io_readp_t readcb;
+  i_io_writep_t        writecb;
+  i_io_seekp_t seekcb;
+  i_io_closep_t        closecb;
+  i_io_sizep_t sizecb;
+  i_io_destroyp_t destroycb;
+};
+
+#define i_io_type(ig) ((ig)->source.ig_type)
+#define i_io_read(ig, buf, size) ((ig)->readcb((ig), (buf), (size)))
+#define i_io_write(ig, data, size) ((ig)->writecb((ig), (data), (size)))
+#define i_io_seek(ig, offset, whence) ((ig)->seekcb((ig), (offset), (whence)))
+#define i_io_close(ig) ((ig)->closecb(ig))
+
+
+#endif