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Add encoding/csv Writer

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This commit is contained in:
gingerBill
2021-01-09 00:21:47 +00:00
parent da380d6fc4
commit 37253f2621
2 changed files with 165 additions and 18 deletions
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core/encoding/csv/reader.odin
+18 -18
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@@ -56,22 +56,22 @@ Reader :: struct {
}
Parser_Error_Kind :: enum {
Reader_Error_Kind :: enum {
Bare_Quote,
Quote,
Field_Count,
Invalid_Delim,
}
parser_error_kind_string := [Parser_Error_Kind]string{
reader_error_kind_string := [Reader_Error_Kind]string{
.Bare_Quote = "bare \" in non-quoted field",
.Quote = "extra or missing \" in quoted field",
.Field_Count = "wrong field count",
.Invalid_Delim = "invalid delimiter",
};
Parser_Error :: struct {
kind: Parser_Error_Kind,
Reader_Error :: struct {
kind: Reader_Error_Kind,
start_line: int,
line: int,
column: int,
@@ -79,7 +79,7 @@ Parser_Error :: struct {
}
Error :: union {
Parser_Error,
Reader_Error,
io.Error,
}
@@ -182,6 +182,14 @@ read_all_from_string :: proc(input: string, records_allocator := context.allocat
return read_all(&r, records_allocator);
}
@private
is_valid_delim :: proc(r: rune) -> bool {
switch r {
case 0, '"', '\r', '\n', utf8.RUNE_ERROR:
return false;
}
return utf8.valid_rune(r);
}
@private
_read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.allocator) -> ([]string, Error) {
@@ -214,14 +222,6 @@ _read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.all
return line, err;
}
is_valid_delim :: proc(r: rune) -> bool {
switch r {
case 0, '"', '\r', '\n', utf8.RUNE_ERROR:
return false;
}
return utf8.valid_rune(r);
}
length_newline :: proc(b: []byte) -> int {
if len(b) > 0 && b[len(b)-1] == '\n' {
return 1;
@@ -237,7 +237,7 @@ _read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.all
if r.comma == r.comment ||
!is_valid_delim(r.comma) ||
(r.comment != 0 && !is_valid_delim(r.comment)) {
err := Parser_Error{
err := Reader_Error{
kind = .Invalid_Delim,
line = r.line_count,
};
@@ -287,7 +287,7 @@ _read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.all
if !r.lazy_quotes {
if j := bytes.index_byte(field, '"'); j >= 0 {
column := utf8.rune_count(full_line[:len(full_line) - len(line[j:])]);
err = Parser_Error{
err = Reader_Error{
kind = .Bare_Quote,
start_line = record_line,
line = r.line_count,
@@ -327,7 +327,7 @@ _read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.all
append(&r.record_buffer, '"');
case: // invalid non-escaped quote
column := utf8.rune_count(full_line[:len(full_line) - len(line) - quote_len]);
err = Parser_Error{
err = Reader_Error{
kind = .Quote,
start_line = record_line,
line = r.line_count,
@@ -350,7 +350,7 @@ _read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.all
case:
if !r.lazy_quotes && err_read == nil {
column := utf8.rune_count(full_line);
err = Parser_Error{
err = Reader_Error{
kind = .Quote,
start_line = record_line,
line = r.line_count,
@@ -390,7 +390,7 @@ _read_record :: proc(r: ^Reader, dst: ^[dynamic]string, allocator := context.all
if r.fields_per_record > 0 {
if len(dst) != r.fields_per_record && err == nil {
err = Parser_Error{
err = Reader_Error{
kind = .Field_Count,
start_line = record_line,
line = r.line_count,