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authorIndrajith K L2022-12-03 17:00:20 +0530
committerIndrajith K L2022-12-03 17:00:20 +0530
commitf5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch)
tree2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/vlib/semver/range.v
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Adds most of the toolsHEADmaster
Diffstat (limited to 'v_windows/v/old/vlib/semver/range.v')
-rw-r--r--v_windows/v/old/vlib/semver/range.v252
1 files changed, 252 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/semver/range.v b/v_windows/v/old/vlib/semver/range.v
new file mode 100644
index 0000000..fd0a769
--- /dev/null
+++ b/v_windows/v/old/vlib/semver/range.v
@@ -0,0 +1,252 @@
+module semver
+
+// * Private functions.
+const (
+ comparator_sep = ' '
+ comparator_set_sep = ' || '
+ hyphen_range_sep = ' - '
+ x_range_symbols = 'Xx*'
+)
+
+enum Operator {
+ gt
+ lt
+ ge
+ le
+ eq
+}
+
+struct Comparator {
+ ver Version
+ op Operator
+}
+
+struct ComparatorSet {
+ comparators []Comparator
+}
+
+struct Range {
+ comparator_sets []ComparatorSet
+}
+
+struct InvalidComparatorCountError {
+ msg string
+ code int
+}
+
+struct InvalidComparatorFormatError {
+ msg string
+ code int
+}
+
+fn (r Range) satisfies(ver Version) bool {
+ mut final_result := false
+ for set in r.comparator_sets {
+ final_result = final_result || set.satisfies(ver)
+ }
+ return final_result
+}
+
+fn (set ComparatorSet) satisfies(ver Version) bool {
+ for comp in set.comparators {
+ if !comp.satisfies(ver) {
+ return false
+ }
+ }
+ return true
+}
+
+fn (c Comparator) satisfies(ver Version) bool {
+ if c.op == .gt {
+ return ver.gt(c.ver)
+ }
+ if c.op == .lt {
+ return ver.lt(c.ver)
+ }
+ if c.op == .ge {
+ return ver.ge(c.ver)
+ }
+ if c.op == .le {
+ return ver.le(c.ver)
+ }
+ if c.op == .eq {
+ return ver.eq(c.ver)
+ }
+ return false
+}
+
+fn parse_range(input string) ?Range {
+ raw_comparator_sets := input.split(semver.comparator_set_sep)
+ mut comparator_sets := []ComparatorSet{}
+ for raw_comp_set in raw_comparator_sets {
+ if can_expand(raw_comp_set) {
+ s := expand_comparator_set(raw_comp_set) or { return err }
+ comparator_sets << s
+ } else {
+ s := parse_comparator_set(raw_comp_set) or { return err }
+ comparator_sets << s
+ }
+ }
+ return Range{comparator_sets}
+}
+
+fn parse_comparator_set(input string) ?ComparatorSet {
+ raw_comparators := input.split(semver.comparator_sep)
+ if raw_comparators.len > 2 {
+ return IError(&InvalidComparatorFormatError{
+ msg: 'Invalid format of comparator set for input "$input"'
+ })
+ }
+ mut comparators := []Comparator{}
+ for raw_comp in raw_comparators {
+ c := parse_comparator(raw_comp) or {
+ return IError(&InvalidComparatorFormatError{
+ msg: 'Invalid comparator "$raw_comp" in input "$input"'
+ })
+ }
+ comparators << c
+ }
+ return ComparatorSet{comparators}
+}
+
+fn parse_comparator(input string) ?Comparator {
+ mut op := Operator.eq
+ mut raw_version := ''
+ if input.starts_with('>=') {
+ op = .ge
+ raw_version = input[2..]
+ } else if input.starts_with('<=') {
+ op = .le
+ raw_version = input[2..]
+ } else if input.starts_with('>') {
+ op = .gt
+ raw_version = input[1..]
+ } else if input.starts_with('<') {
+ op = .lt
+ raw_version = input[1..]
+ } else if input.starts_with('=') {
+ raw_version = input[1..]
+ } else {
+ raw_version = input
+ }
+ version := coerce_version(raw_version) or { return none }
+ return Comparator{version, op}
+}
+
+fn parse_xrange(input string) ?Version {
+ mut raw_ver := parse(input).complete()
+ for typ in versions {
+ if raw_ver.raw_ints[typ].index_any(semver.x_range_symbols) == -1 {
+ continue
+ }
+ match typ {
+ ver_major {
+ raw_ver.raw_ints[ver_major] = '0'
+ raw_ver.raw_ints[ver_minor] = '0'
+ raw_ver.raw_ints[ver_patch] = '0'
+ }
+ ver_minor {
+ raw_ver.raw_ints[ver_minor] = '0'
+ raw_ver.raw_ints[ver_patch] = '0'
+ }
+ ver_patch {
+ raw_ver.raw_ints[ver_patch] = '0'
+ }
+ else {}
+ }
+ }
+ if !raw_ver.is_valid() {
+ return none
+ }
+ return raw_ver.to_version()
+}
+
+fn can_expand(input string) bool {
+ return input[0] == `~` || input[0] == `^` || input.contains(semver.hyphen_range_sep)
+ || input.index_any(semver.x_range_symbols) > -1
+}
+
+fn expand_comparator_set(input string) ?ComparatorSet {
+ match input[0] {
+ `~` { return expand_tilda(input[1..]) }
+ `^` { return expand_caret(input[1..]) }
+ else {}
+ }
+ if input.contains(semver.hyphen_range_sep) {
+ return expand_hyphen(input)
+ }
+ return expand_xrange(input)
+}
+
+fn expand_tilda(raw_version string) ?ComparatorSet {
+ min_ver := coerce_version(raw_version) or { return none }
+ mut max_ver := min_ver
+ if min_ver.minor == 0 && min_ver.patch == 0 {
+ max_ver = min_ver.increment(.major)
+ } else {
+ max_ver = min_ver.increment(.minor)
+ }
+ return make_comparator_set_ge_lt(min_ver, max_ver)
+}
+
+fn expand_caret(raw_version string) ?ComparatorSet {
+ min_ver := coerce_version(raw_version) or { return none }
+ mut max_ver := min_ver
+ if min_ver.major == 0 {
+ max_ver = min_ver.increment(.minor)
+ } else {
+ max_ver = min_ver.increment(.major)
+ }
+ return make_comparator_set_ge_lt(min_ver, max_ver)
+}
+
+fn expand_hyphen(raw_range string) ?ComparatorSet {
+ raw_versions := raw_range.split(semver.hyphen_range_sep)
+ if raw_versions.len != 2 {
+ return none
+ }
+ min_ver := coerce_version(raw_versions[0]) or { return none }
+ raw_max_ver := parse(raw_versions[1])
+ if raw_max_ver.is_missing(ver_major) {
+ return none
+ }
+ mut max_ver := raw_max_ver.coerce() or { return none }
+ if raw_max_ver.is_missing(ver_minor) {
+ max_ver = max_ver.increment(.minor)
+ return make_comparator_set_ge_lt(min_ver, max_ver)
+ }
+ return make_comparator_set_ge_le(min_ver, max_ver)
+}
+
+fn expand_xrange(raw_range string) ?ComparatorSet {
+ min_ver := parse_xrange(raw_range) or { return none }
+ if min_ver.major == 0 {
+ comparators := [
+ Comparator{min_ver, Operator.ge},
+ ]
+ return ComparatorSet{comparators}
+ }
+ mut max_ver := min_ver
+ if min_ver.minor == 0 {
+ max_ver = min_ver.increment(.major)
+ } else {
+ max_ver = min_ver.increment(.minor)
+ }
+ return make_comparator_set_ge_lt(min_ver, max_ver)
+}
+
+fn make_comparator_set_ge_lt(min Version, max Version) ComparatorSet {
+ comparators := [
+ Comparator{min, Operator.ge},
+ Comparator{max, Operator.lt},
+ ]
+ return ComparatorSet{comparators}
+}
+
+fn make_comparator_set_ge_le(min Version, max Version) ComparatorSet {
+ comparators := [
+ Comparator{min, Operator.ge},
+ Comparator{max, Operator.le},
+ ]
+ return ComparatorSet{comparators}
+}