Giant refactoring of the codebase

2 files changed, 0 insertions, 487 deletions

diff --git a/mintage/parser.go b/mintage/parser.go
deleted file mode 100644
index 4c5e6f9..0000000
--- a/mintage/parser.go
+++ /dev/null
@@ -1,207 +0,0 @@
-package mintage
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"strconv"
-	"strings"
-	"unicode"
-)
-
-const (
-	_       = -iota
-	Unknown // Unknown mintage
-	Invalid // All mintages <= than this are invalid
-)
-
-type SyntaxError struct {
-	expected, got string
-	file          string
-	linenr        int
-}
-
-func (e SyntaxError) Error() string {
-	return fmt.Sprintf("%s:%d: syntax error: expected %s but got %s",
-		e.file, e.linenr, e.expected, e.got)
-}
-
-type Row struct {
-	Year     int
-	Mintmark string
-	Cols     [8]int
-}
-
-type Set struct {
-	StartYear       int
-	Circ, BU, Proof []Row
-}
-
-func (r Row) Label() string {
-	if r.Mintmark != "" {
-		return fmt.Sprintf("%d %s", r.Year, r.Mintmark)
-	}
-	return strconv.Itoa(r.Year)
-}
-
-func Parse(reader io.Reader, file string) (Set, error) {
-	var (
-		data  Set    // Our data struct
-		slice *[]Row // Where to append mintages
-	)
-
-	scanner := bufio.NewScanner(reader)
-	for linenr := 1; scanner.Scan(); linenr++ {
-		var mintmark struct {
-			s    string
-			star bool
-		}
-
-		line := scanner.Text()
-		tokens := strings.FieldsFunc(strings.TrimSpace(line), unicode.IsSpace)
-
-		switch {
-		case len(tokens) == 0:
-			continue
-		case tokens[0] == "BEGIN":
-			if len(tokens)-1 != 1 {
-				return Set{}, SyntaxError{
-					expected: "single argument to ‘BEGIN’",
-					got:      fmt.Sprintf("%d arguments", len(tokens)-1),
-					file:     file,
-					linenr:   linenr,
-				}
-			}
-
-			arg := tokens[1]
-
-			switch arg {
-			case "CIRC":
-				slice = &data.Circ
-			case "BU":
-				slice = &data.BU
-			case "PROOF":
-				slice = &data.Proof
-			default:
-				if !isNumeric(arg, false) {
-					return Set{}, SyntaxError{
-						expected: "‘CIRC’, ‘BU’, ‘PROOF’, or a year",
-						got:      arg,
-						file:     file,
-						linenr:   linenr,
-					}
-				}
-				data.StartYear, _ = strconv.Atoi(arg)
-			}
-		case isLabel(tokens[0]):
-			n := len(tokens[0])
-			if n > 2 && tokens[0][n-2] == '*' {
-				mintmark.star = true
-				mintmark.s = tokens[0][:n-2]
-			} else {
-				mintmark.s = tokens[0][:n-1]
-			}
-			tokens = tokens[1:]
-			if !isNumeric(tokens[0], true) && tokens[0] != "?" {
-				return Set{}, SyntaxError{
-					expected: "mintage row after label",
-					got:      tokens[0],
-					file:     file,
-					linenr:   linenr,
-				}
-			}
-			fallthrough
-		case isNumeric(tokens[0], true), tokens[0] == "?":
-			switch {
-			case slice == nil:
-				return Set{}, SyntaxError{
-					expected: "coin type declaration",
-					got:      tokens[0],
-					file:     file,
-					linenr:   linenr,
-				}
-			case data.StartYear == 0:
-				return Set{}, SyntaxError{
-					expected: "start year declaration",
-					got:      tokens[0],
-					file:     file,
-					linenr:   linenr,
-				}
-			}
-
-			numcoins := len(Row{}.Cols)
-			tokcnt := len(tokens)
-
-			if tokcnt != numcoins {
-				word := "entries"
-				if tokcnt == 1 {
-					word = "entry"
-				}
-				return Set{}, SyntaxError{
-					expected: fmt.Sprintf("%d mintage entries", numcoins),
-					got:      fmt.Sprintf("%d %s", tokcnt, word),
-					file:     file,
-					linenr:   linenr,
-				}
-			}
-
-			row := Row{Mintmark: mintmark.s}
-			if len(*slice) == 0 {
-				row.Year = data.StartYear
-			} else {
-				row.Year = (*slice)[len(*slice)-1].Year
-				if row.Mintmark == "" || mintmark.star {
-					row.Year++
-				}
-			}
-
-			for i, tok := range tokens {
-				if tok == "?" {
-					row.Cols[i] = Unknown
-				} else {
-					row.Cols[i] = atoiWithDots(tok)
-				}
-			}
-			*slice = append(*slice, row)
-		default:
-			return Set{}, SyntaxError{
-				expected: "‘BEGIN’ directive or mintage row",
-				got:      fmt.Sprintf("invalid token ‘%s’", tokens[0]),
-				file:     file,
-				linenr:   linenr,
-			}
-		}
-	}
-
-	return data, nil
-}
-
-func isNumeric(s string, dot bool) bool {
-	for _, ch := range s {
-		switch ch {
-		case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
-		default:
-			if ch != '.' || !dot {
-				return false
-			}
-		}
-	}
-	return true
-}
-
-func isLabel(s string) bool {
-	n := len(s)
-	return (n > 2 && s[n-1] == ':' && s[n-2] == '*') ||
-		(n > 1 && s[n-1] == ':')
-}
-
-func atoiWithDots(s string) int {
-	n := 0
-	for _, ch := range s {
-		if ch == '.' {
-			continue
-		}
-		n = n*10 + int(ch) - '0'
-	}
-	return n
-}
diff --git a/mintage/parser_test.go b/mintage/parser_test.go
deleted file mode 100644
index dd78c71..0000000
--- a/mintage/parser_test.go
+++ /dev/null
@@ -1,280 +0,0 @@
-package mintage
-
-import (
-	"bytes"
-	"errors"
-	"testing"
-)
-
-func TestParserComplete(t *testing.T) {
-	data, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRC
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	if err != nil {
-		t.Fatalf(`Expected err=nil; got "%s"`, err)
-	}
-	if data.StartYear != 2020 {
-		t.Fatalf("Expected data.StartYear=2020; got %d",
-			data.StartYear)
-	}
-
-	for i, row := range data.Circ {
-		for j, col := range row.Cols {
-			var n int
-			if i == 1 && j == 1 {
-				n = -1
-			} else {
-				n = 1000*i + j + 1000
-			}
-			if col != n {
-				t.Fatalf("Expected data.Circ[i][j]=%d; got %d", n, col)
-			}
-		}
-	}
-
-	for i, row := range data.BU {
-		for j, col := range row.Cols {
-			var n int
-			if i == 1 && j == 1 {
-				n = -1
-			} else {
-				n = 1000*i + j + 1100
-			}
-			if col != n {
-				t.Fatalf("Expected data.BU[i][j]=%d; got %d", n, col)
-			}
-		}
-	}
-
-	for i, row := range data.Proof {
-		for j, col := range row.Cols {
-			var n int
-			if i == 1 && j == 1 {
-				n = -1
-			} else {
-				n = 1000*i + j + 1200
-			}
-			if col != n {
-				t.Fatalf("Expected data.Proof[i][j]=%d; got %d", n, col)
-			}
-		}
-	}
-
-	if len(data.Circ) != 2 {
-		t.Fatalf("Expected len(data.Circ)=2; got %d", len(data.Circ))
-	}
-	if len(data.BU) != 2 {
-		t.Fatalf("Expected len(data.BU)=2; got %d", len(data.BU))
-	}
-	if len(data.Proof) != 2 {
-		t.Fatalf("Expected len(data.Proof)=2; got %d", len(data.Proof))
-	}
-}
-
-func TestParserNoProof(t *testing.T) {
-	data, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRC
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-	`)), "-")
-
-	if err != nil {
-		t.Fatalf(`Expected err=nil; got "%s"`, err)
-	}
-
-	if len(data.Proof) != 0 {
-		t.Fatalf("Expected len(data.Proof)=0; got %d", len(data.Proof))
-	}
-}
-
-func TestParserMintmarks(t *testing.T) {
-	data, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRC
-		      1.000 1001 1002 1003 1004 1005 1006 1007
-		KNM*:  2000    ? 2002 2003 2004 2005 2006 2007
-		MdP:   3000    ? 3002 3003 3004 3005 3006 3007
-	`)), "-")
-
-	if err != nil {
-		t.Fatalf(`Expected err=nil; got "%s"`, err)
-	}
-
-	for i, row := range data.Circ {
-		for j, col := range row.Cols {
-			var n int
-			if i > 0 && j == 1 {
-				n = -1
-			} else {
-				n = 1000*i + j + 1000
-			}
-			if col != n {
-				t.Fatalf("Expected data.Circ[i][j]=%d; got %d", n, col)
-			}
-		}
-	}
-
-	for i, y := range [...]int{2020, 2021, 2021} {
-		if data.Circ[i].Year != y {
-			t.Fatalf("Expected data.Circ[%d].Year=%d; got %d",
-				i, y, data.Circ[i].Year)
-		}
-	}
-	for i, s := range [...]string{"", "KNM", "MdP"} {
-		if data.Circ[i].Mintmark != s {
-			t.Fatalf(`Expected data.Circ[%d].Mintmark="%s"; got "%s"`,
-				i, s, data.Circ[i].Mintmark)
-		}
-	}
-}
-
-func TestParserNoYear(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN CIRC
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}
-
-func TestParserNoType(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}
-
-func TestParserNoYearOrType(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}
-
-func TestParserBadToken(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRC
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		I’m bad
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}
-
-func TestParserShortRow(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRC
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}
-
-func TestParserLongRow(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRC
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107 2108
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}
-
-func TestParserBadCoinType(t *testing.T) {
-	_, err := Parse(bytes.NewBuffer([]byte(`
-		BEGIN 2020
-		BEGIN CIRCULATED
-		1.000 1001 1002 1003 1004 1005 1006 1007
-		 2000    ? 2002 2003 2004 2005 2006 2007
-		BEGIN BU
-		1.100 1101 1102 1103 1104 1105 1106 1107
-		 2100    ? 2102 2103 2104 2105 2106 2107
-		BEGIN PROOF
-		1.200 1201 1202 1203 1204 1205 1206 1207
-		 2200    ? 2202 2203 2204 2205 2206 2207
-	`)), "-")
-
-	var sErr SyntaxError
-	if !errors.As(err, &sErr) {
-		t.Fatalf("Expected err=SyntaxError; got %s", err)
-	}
-}