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Convert core:compress and core:image error checks to new union comparison.

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No more need for `is_kind(err, Error_Value)`, just test err == Error_Value.
This commit is contained in:
Jeroen van Rijn
2021-05-03 15:08:34 +02:00
parent 357f66fcee
commit 59b3c472ca
8 changed files with 35 additions and 44 deletions
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core/compress/common.odin
-6
View File
@@ -3,12 +3,6 @@ package compress
import "core:io"
import "core:image"
// Error helper, e.g. is_kind(err, General_Error.OK);
is_kind :: proc(u: $U, x: $V) -> bool {
v, ok := u.(V);
return ok && v == x;
}
Error :: union {
General_Error,
Deflate_Error,
core/compress/gzip/example.odin
+3 -3
View File
@@ -35,7 +35,7 @@ main :: proc() {
if len(args) < 2 {
stderr("No input file specified.\n");
err := gzip.load(TEST, &buf);
if gzip.is_kind(err, gzip.E_General.OK) {
if err != E_General.OK {
stdout("Displaying test vector: ");
stdout(bytes.buffer_to_string(&buf));
stdout("\n");
@@ -54,8 +54,8 @@ main :: proc() {
} else {
err = gzip.load(file, &buf);
}
if !gzip.is_kind(err, gzip.E_General.OK) {
if gzip.is_kind(err, gzip.E_General.File_Not_Found) {
if err != gzip.E_General.OK {
if err != E_General.File_Not_Found {
stderr("File not found: ");
stderr(file);
stderr("\n");
core/compress/gzip/gzip.odin
+1 -2
View File
@@ -94,7 +94,6 @@ E_General :: compress.General_Error;
E_GZIP :: compress.GZIP_Error;
E_ZLIB :: compress.ZLIB_Error;
E_Deflate :: compress.Deflate_Error;
is_kind :: compress.is_kind;
load_from_slice :: proc(slice: []u8, buf: ^bytes.Buffer, allocator := context.allocator) -> (err: Error) {
@@ -278,7 +277,7 @@ load_from_stream :: proc(stream: io.Stream, buf: ^bytes.Buffer, allocator := con
// fmt.printf("ZLIB returned: %v\n", zlib_error);
if !is_kind(zlib_error, E_General.OK) || zlib_error == nil {
if zlib_error != E_General.OK || zlib_error == nil {
return zlib_error;
}
core/compress/zlib/example.odin
+1 -1
View File
@@ -33,7 +33,7 @@ main :: proc() {
err := zlib.inflate(ODIN_DEMO, &buf);
defer bytes.buffer_destroy(&buf);
if !zlib.is_kind(err, zlib.E_General.OK) {
if err != zlib.E_General.OK {
fmt.printf("\nError: %v\n", err);
}
s := bytes.buffer_to_string(&buf);
core/compress/zlib/zlib.odin
+14 -15
View File
@@ -8,7 +8,7 @@ import "core:bytes"
import "core:hash"
/*
zlib.inflate decompresses a ZLIB stream passed in as a []u8 or io.Stream.
Returns: Error. You can use zlib.is_kind or compress.is_kind to easily test for OK.
Returns: Error.
*/
Context :: compress.Context;
@@ -34,7 +34,6 @@ Error :: compress.Error;
E_General :: compress.General_Error;
E_ZLIB :: compress.ZLIB_Error;
E_Deflate :: compress.Deflate_Error;
is_kind :: compress.is_kind;
DEFLATE_MAX_CHUNK_SIZE :: 65535;
DEFLATE_MAX_LITERAL_SIZE :: 65535;
@@ -256,7 +255,7 @@ decode_huffman :: proc(z: ^Context, t: ^Huffman_Table) -> (r: u16, err: Error) #
parse_huffman_block :: proc(z: ^Context, z_repeat, z_offset: ^Huffman_Table) -> (err: Error) #no_bounds_check {
#no_bounds_check for {
value, e := decode_huffman(z, z_repeat);
if !is_kind(e, E_General.OK) {
if e != E_General.OK {
return err;
}
if value < 256 {
@@ -277,7 +276,7 @@ parse_huffman_block :: proc(z: ^Context, z_repeat, z_offset: ^Huffman_Table) ->
}
value, e = decode_huffman(z, z_offset);
if !is_kind(e, E_General.OK) {
if e != E_General.OK {
return E_Deflate.Bad_Huffman_Code;
}
@@ -390,7 +389,7 @@ inflate_from_stream :: proc(using ctx: ^Context, raw := false, allocator := cont
// Parse ZLIB stream without header.
err = inflate_raw(ctx);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
@@ -418,15 +417,15 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
codelength_ht: ^Huffman_Table;
z_repeat, err = allocate_huffman_table(allocator=context.allocator);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
z_offset, err = allocate_huffman_table(allocator=context.allocator);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
codelength_ht, err = allocate_huffman_table(allocator=context.allocator);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
defer free(z_repeat);
@@ -482,11 +481,11 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
if type == 1 {
// Use fixed code lengths.
err = build_huffman(z_repeat, Z_FIXED_LENGTH[:]);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
err = build_huffman(z_offset, Z_FIXED_DIST[:]);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
} else {
@@ -507,7 +506,7 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
codelength_sizes[Z_LENGTH_DEZIGZAG[i]] = u8(s);
}
err = build_huffman(codelength_ht, codelength_sizes[:]);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
@@ -516,7 +515,7 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
for n < ntot {
c, err = decode_huffman(z, codelength_ht);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
@@ -560,18 +559,18 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
}
err = build_huffman(z_repeat, lencodes[:hlit]);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
err = build_huffman(z_offset, lencodes[hlit:ntot]);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
}
err = parse_huffman_block(z, z_repeat, z_offset);
// log.debugf("Err: %v | Final: %v | Type: %v\n", err, final, type);
if !is_kind(err, E_General.OK) {
if err != E_General.OK {
return err;
}
}