mirror of
https://github.com/weaveworks/scope.git
synced 2026-08-18 03:46:45 +00:00
Update weaveworks/common to latest version
``` $ gvt delete github.com/weaveworks/common $ gvt fetch --revision 4d96fd8dcf2c7b417912c6219b310112cb4a4626 github.com/weaveworks/common 2018/07/23 15:31:11 Fetching: github.com/weaveworks/common 2018/07/23 15:31:14 · Skipping (existing): github.com/golang/protobuf/ptypes/any 2018/07/23 15:31:14 · Fetching recursive dependency: github.com/pkg/errors 2018/07/23 15:31:16 · Skipping (existing): github.com/aws/aws-sdk-go/aws 2018/07/23 15:31:16 · Fetching recursive dependency: github.com/sirupsen/logrus 2018/07/23 15:31:18 ·· Skipping (existing): golang.org/x/sys/unix 2018/07/23 15:31:18 ·· Skipping (existing): golang.org/x/crypto/ssh/terminal 2018/07/23 15:31:18 · Skipping (existing): google.golang.org/grpc/status 2018/07/23 15:31:18 · Skipping (existing): github.com/gorilla/mux 2018/07/23 15:31:18 · Fetching recursive dependency: github.com/opentracing-contrib/go-stdlib/nethttp 2018/07/23 15:31:20 ·· Skipping (existing): github.com/opentracing/opentracing-go/ext 2018/07/23 15:31:20 ·· Skipping (existing): github.com/opentracing/opentracing-go/log 2018/07/23 15:31:20 ·· Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:31:20 · Skipping (existing): github.com/prometheus/client_golang/prometheus 2018/07/23 15:31:20 · Skipping (existing): google.golang.org/grpc 2018/07/23 15:31:20 · Skipping (existing): github.com/pmezard/go-difflib/difflib 2018/07/23 15:31:20 · Fetching recursive dependency: github.com/go-kit/kit/log 2018/07/23 15:31:23 ·· Fetching recursive dependency: github.com/go-logfmt/logfmt 2018/07/23 15:31:25 ··· Fetching recursive dependency: github.com/kr/logfmt 2018/07/23 15:31:27 ·· Fetching recursive dependency: github.com/go-stack/stack 2018/07/23 15:31:29 · Fetching recursive dependency: google.golang.org/genproto/googleapis/rpc/status 2018/07/23 15:31:37 ·· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:31:37 ·· Skipping (existing): github.com/golang/protobuf/ptypes/any 2018/07/23 15:31:37 · Skipping (existing): github.com/opentracing/opentracing-go/log 2018/07/23 15:31:37 · Fetching recursive dependency: github.com/sercand/kuberesolver 2018/07/23 15:31:39 ·· Skipping (existing): google.golang.org/grpc/grpclog 2018/07/23 15:31:39 ·· Skipping (existing): google.golang.org/grpc/resolver 2018/07/23 15:31:39 ·· Skipping (existing): golang.org/x/net/context 2018/07/23 15:31:39 · Skipping (existing): google.golang.org/grpc/metadata 2018/07/23 15:31:39 · Skipping (existing): github.com/opentracing/opentracing-go/ext 2018/07/23 15:31:39 · Skipping (existing): github.com/armon/go-socks5 2018/07/23 15:31:39 · Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:31:39 · Skipping (existing): github.com/davecgh/go-spew/spew 2018/07/23 15:31:39 · Skipping (existing): github.com/golang/protobuf/ptypes 2018/07/23 15:31:39 · Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:31:39 · Fetching recursive dependency: github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc 2018/07/23 15:31:41 ·· Skipping (existing): github.com/opentracing/opentracing-go/log 2018/07/23 15:31:41 ·· Skipping (existing): golang.org/x/net/context 2018/07/23 15:31:41 ·· Skipping (existing): google.golang.org/grpc/codes 2018/07/23 15:31:41 ·· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:31:41 ·· Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:31:41 ·· Skipping (existing): github.com/opentracing/opentracing-go/ext 2018/07/23 15:31:41 ·· Skipping (existing): google.golang.org/grpc 2018/07/23 15:31:41 ·· Skipping (existing): google.golang.org/grpc/metadata 2018/07/23 15:31:41 ·· Skipping (existing): google.golang.org/grpc/status 2018/07/23 15:31:41 · Fetching recursive dependency: github.com/uber/jaeger-client-go/config 2018/07/23 15:31:44 ·· Fetching recursive dependency: github.com/uber/jaeger-client-go/internal/throttler/remote 2018/07/23 15:31:44 ··· Fetching recursive dependency: github.com/uber/jaeger-client-go/utils 2018/07/23 15:31:44 ···· Fetching recursive dependency: github.com/uber/jaeger-client-go/thrift 2018/07/23 15:31:44 ···· Fetching recursive dependency: github.com/uber/jaeger-client-go/thrift-gen/agent 2018/07/23 15:31:44 ····· Fetching recursive dependency: github.com/uber/jaeger-client-go/thrift-gen/jaeger 2018/07/23 15:31:44 ····· Fetching recursive dependency: github.com/uber/jaeger-client-go/thrift-gen/zipkincore 2018/07/23 15:31:44 ··· Fetching recursive dependency: github.com/uber/jaeger-client-go 2018/07/23 15:31:44 ···· Fetching recursive dependency: github.com/crossdock/crossdock-go 2018/07/23 15:31:46 ····· Skipping (existing): github.com/davecgh/go-spew/spew 2018/07/23 15:31:46 ····· Skipping (existing): golang.org/x/net/context/ctxhttp 2018/07/23 15:31:46 ····· Skipping (existing): golang.org/x/net/context 2018/07/23 15:31:46 ····· Skipping (existing): github.com/pmezard/go-difflib/difflib 2018/07/23 15:31:46 ···· Skipping (existing): github.com/opentracing/opentracing-go/log 2018/07/23 15:31:46 ···· Fetching recursive dependency: go.uber.org/zap/zapcore 2018/07/23 15:31:49 ····· Fetching recursive dependency: go.uber.org/atomic 2018/07/23 15:31:51 ····· Fetching recursive dependency: go.uber.org/zap/internal/bufferpool 2018/07/23 15:31:51 ······ Fetching recursive dependency: go.uber.org/zap/buffer 2018/07/23 15:31:51 ····· Fetching recursive dependency: go.uber.org/multierr 2018/07/23 15:31:54 ····· Fetching recursive dependency: go.uber.org/zap/internal/exit 2018/07/23 15:31:54 ····· Fetching recursive dependency: go.uber.org/zap/internal/color 2018/07/23 15:31:54 ···· Fetching recursive dependency: go.uber.org/zap 2018/07/23 15:31:54 ···· Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:31:54 ···· Skipping (existing): github.com/opentracing/opentracing-go/ext 2018/07/23 15:31:54 ···· Fetching recursive dependency: github.com/uber/jaeger-lib/metrics 2018/07/23 15:31:56 ····· Fetching recursive dependency: github.com/uber-go/tally 2018/07/23 15:31:58 ······ Fetching recursive dependency: github.com/m3db/prometheus_client_golang/prometheus/promhttp 2018/07/23 15:32:00 ······· Skipping (existing): github.com/prometheus/client_golang/prometheus 2018/07/23 15:32:00 ······· Skipping (existing): github.com/prometheus/common/expfmt 2018/07/23 15:32:00 ······· Skipping (existing): github.com/prometheus/client_model/go 2018/07/23 15:32:00 ······ Fetching recursive dependency: gopkg.in/validator.v2 2018/07/23 15:32:06 ······ Fetching recursive dependency: github.com/cactus/go-statsd-client/statsd 2018/07/23 15:32:08 ······ Skipping (existing): gopkg.in/yaml.v2 2018/07/23 15:32:08 ······ Fetching recursive dependency: github.com/m3db/prometheus_client_golang/prometheus 2018/07/23 15:32:08 ······· Skipping (existing): github.com/prometheus/procfs 2018/07/23 15:32:08 ······· Skipping (existing): github.com/prometheus/client_model/go 2018/07/23 15:32:08 ······· Skipping (existing): github.com/prometheus/common/expfmt 2018/07/23 15:32:08 ······· Skipping (existing): golang.org/x/net/context 2018/07/23 15:32:08 ······· Skipping (existing): github.com/beorn7/perks/quantile 2018/07/23 15:32:08 ······· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:32:08 ······· Skipping (existing): github.com/prometheus/common/model 2018/07/23 15:32:08 ······· Skipping (existing): github.com/prometheus/client_golang/prometheus 2018/07/23 15:32:08 ······ Fetching recursive dependency: github.com/apache/thrift/lib/go/thrift 2018/07/23 15:32:13 ····· Skipping (existing): github.com/stretchr/testify/assert 2018/07/23 15:32:13 ····· Fetching recursive dependency: github.com/go-kit/kit/metrics/influx 2018/07/23 15:32:13 ······ Fetching recursive dependency: github.com/influxdata/influxdb/client/v2 2018/07/23 15:32:17 ······· Fetching recursive dependency: github.com/influxdata/influxdb/models 2018/07/23 15:32:17 ········ Fetching recursive dependency: github.com/influxdata/influxdb/pkg/escape 2018/07/23 15:32:17 ······ Fetching recursive dependency: github.com/go-kit/kit/metrics 2018/07/23 15:32:17 ······· Fetching recursive dependency: github.com/performancecopilot/speed 2018/07/23 15:32:19 ······· Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/aws 2018/07/23 15:32:28 ········ Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/internal/sdk 2018/07/23 15:32:28 ········ Skipping (existing): github.com/go-ini/ini 2018/07/23 15:32:28 ········ Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/service/sts 2018/07/23 15:32:28 ········· Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/private/protocol/query 2018/07/23 15:32:28 ·········· Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/private/protocol 2018/07/23 15:32:28 ········· Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/internal/awsutil 2018/07/23 15:32:28 ·········· Skipping (existing): github.com/jmespath/go-jmespath 2018/07/23 15:32:28 ······· Fetching recursive dependency: github.com/aws/aws-sdk-go-v2/service/cloudwatch 2018/07/23 15:32:29 ······· Skipping (existing): github.com/aws/aws-sdk-go/aws 2018/07/23 15:32:29 ······· Skipping (existing): github.com/prometheus/client_golang/prometheus 2018/07/23 15:32:29 ······· Skipping (existing): github.com/aws/aws-sdk-go/service/cloudwatch 2018/07/23 15:32:29 ······· Skipping (existing): github.com/aws/aws-sdk-go/service/cloudwatch/cloudwatchiface 2018/07/23 15:32:29 ······· Fetching recursive dependency: golang.org/x/sync/errgroup 2018/07/23 15:32:31 ········ Skipping (existing): golang.org/x/net/context 2018/07/23 15:32:31 ······· Fetching recursive dependency: github.com/go-kit/kit/util/conn 2018/07/23 15:32:31 ······· Fetching recursive dependency: github.com/VividCortex/gohistogram 2018/07/23 15:32:33 ····· Skipping (existing): github.com/prometheus/client_golang/prometheus 2018/07/23 15:32:33 ····· Fetching recursive dependency: github.com/codahale/hdrhistogram 2018/07/23 15:32:35 ·· Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:32:35 · Fetching recursive dependency: github.com/mwitkow/go-grpc-middleware 2018/07/23 15:32:37 ·· Fetching recursive dependency: github.com/grpc-ecosystem/go-grpc-middleware/logging 2018/07/23 15:32:39 ··· Fetching recursive dependency: github.com/grpc-ecosystem/go-grpc-middleware 2018/07/23 15:32:39 ···· Fetching recursive dependency: github.com/golang/protobuf/jsonpb 2018/07/23 15:32:42 ····· Skipping (existing): github.com/golang/protobuf/ptypes/timestamp 2018/07/23 15:32:42 ····· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:32:42 ····· Skipping (existing): github.com/golang/protobuf/ptypes/duration 2018/07/23 15:32:42 ····· Skipping (existing): github.com/golang/protobuf/ptypes/any 2018/07/23 15:32:42 ····· Skipping (existing): github.com/golang/protobuf/ptypes/struct 2018/07/23 15:32:42 ····· Skipping (existing): github.com/golang/protobuf/ptypes/wrappers 2018/07/23 15:32:42 ···· Skipping (existing): google.golang.org/grpc/metadata 2018/07/23 15:32:42 ···· Fetching recursive dependency: github.com/stretchr/testify/suite 2018/07/23 15:32:45 ····· Skipping (existing): github.com/stretchr/testify/assert 2018/07/23 15:32:45 ····· Fetching recursive dependency: github.com/stretchr/testify/require 2018/07/23 15:32:45 ······ Skipping (existing): github.com/stretchr/testify/assert 2018/07/23 15:32:45 ···· Skipping (existing): google.golang.org/grpc/peer 2018/07/23 15:32:45 ···· Skipping (existing): golang.org/x/net/context 2018/07/23 15:32:45 ···· Skipping (existing): golang.org/x/net/trace 2018/07/23 15:32:45 ···· Fetching recursive dependency: github.com/gogo/protobuf/gogoproto 2018/07/23 15:32:48 ····· Fetching recursive dependency: github.com/gogo/protobuf/protoc-gen-gogo/descriptor 2018/07/23 15:32:48 ······ Skipping (existing): github.com/gogo/protobuf/proto 2018/07/23 15:32:48 ····· Skipping (existing): github.com/gogo/protobuf/proto 2018/07/23 15:32:48 ···· Skipping (existing): google.golang.org/grpc/credentials 2018/07/23 15:32:48 ···· Skipping (existing): google.golang.org/grpc 2018/07/23 15:32:48 ···· Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:32:48 ···· Skipping (existing): google.golang.org/grpc/codes 2018/07/23 15:32:48 ···· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:32:48 ···· Skipping (existing): google.golang.org/grpc/grpclog 2018/07/23 15:32:48 ···· Skipping (existing): github.com/opentracing/opentracing-go/ext 2018/07/23 15:32:48 ···· Skipping (existing): github.com/opentracing/opentracing-go/log 2018/07/23 15:32:48 ··· Skipping (existing): golang.org/x/net/context 2018/07/23 15:32:48 ··· Skipping (existing): google.golang.org/grpc 2018/07/23 15:32:48 ··· Skipping (existing): google.golang.org/grpc/grpclog 2018/07/23 15:32:48 ··· Skipping (existing): google.golang.org/grpc/codes 2018/07/23 15:32:48 ··· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:32:48 ·· Skipping (existing): github.com/opentracing/opentracing-go 2018/07/23 15:32:48 ·· Skipping (existing): google.golang.org/grpc 2018/07/23 15:32:48 ·· Skipping (existing): golang.org/x/net/context 2018/07/23 15:32:48 ·· Skipping (existing): google.golang.org/grpc/codes 2018/07/23 15:32:48 ·· Skipping (existing): google.golang.org/grpc/grpclog 2018/07/23 15:32:48 ·· Skipping (existing): github.com/opentracing/opentracing-go/log 2018/07/23 15:32:48 ·· Skipping (existing): google.golang.org/grpc/metadata 2018/07/23 15:32:48 ·· Skipping (existing): google.golang.org/grpc/peer 2018/07/23 15:32:48 ·· Skipping (existing): google.golang.org/grpc/credentials 2018/07/23 15:32:48 ·· Skipping (existing): github.com/golang/protobuf/proto 2018/07/23 15:32:48 ·· Skipping (existing): golang.org/x/net/trace 2018/07/23 15:32:48 ·· Skipping (existing): github.com/opentracing/opentracing-go/ext 2018/07/23 15:32:48 · Fetching recursive dependency: github.com/weaveworks/promrus 2018/07/23 15:32:53 ·· Skipping (existing): gopkg.in/yaml.v2 2018/07/23 15:32:53 ·· Skipping (existing): golang.org/x/net/context/ctxhttp 2018/07/23 15:32:53 ·· Fetching recursive dependency: github.com/stretchr/objx 2018/07/23 15:32:55 ·· Fetching recursive dependency: gopkg.in/alecthomas/kingpin.v2 2018/07/23 15:32:58 ··· Fetching recursive dependency: github.com/alecthomas/units 2018/07/23 15:33:00 ··· Fetching recursive dependency: github.com/alecthomas/template 2018/07/23 15:33:02 ·· Fetching recursive dependency: github.com/julienschmidt/httprouter 2018/07/23 15:33:05 ·· Skipping (existing): golang.org/x/net/context 2018/07/23 15:33:05 · Skipping (existing): github.com/aws/aws-sdk-go/aws/credentials 2018/07/23 15:33:05 · Skipping (existing): github.com/golang/protobuf/ptypes/empty 2018/07/23 15:33:05 · Skipping (existing): golang.org/x/net/context 2018/07/23 15:33:05 · Skipping (existing): golang.org/x/tools/cover 2018/07/23 15:33:05 · Skipping (existing): github.com/mgutz/ansi ```
This commit is contained in:
Marc Carré
+19
@@ -0,0 +1,19 @@
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Copyright (C) 2014 Alec Thomas
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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+83
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package units
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// Base2Bytes is the old non-SI power-of-2 byte scale (1024 bytes in a kilobyte,
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// etc.).
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type Base2Bytes int64
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// Base-2 byte units.
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const (
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Kibibyte Base2Bytes = 1024
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KiB = Kibibyte
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Mebibyte = Kibibyte * 1024
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MiB = Mebibyte
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Gibibyte = Mebibyte * 1024
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GiB = Gibibyte
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Tebibyte = Gibibyte * 1024
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TiB = Tebibyte
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Pebibyte = Tebibyte * 1024
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PiB = Pebibyte
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Exbibyte = Pebibyte * 1024
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EiB = Exbibyte
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)
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var (
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bytesUnitMap = MakeUnitMap("iB", "B", 1024)
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oldBytesUnitMap = MakeUnitMap("B", "B", 1024)
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)
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// ParseBase2Bytes supports both iB and B in base-2 multipliers. That is, KB
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// and KiB are both 1024.
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func ParseBase2Bytes(s string) (Base2Bytes, error) {
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n, err := ParseUnit(s, bytesUnitMap)
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if err != nil {
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n, err = ParseUnit(s, oldBytesUnitMap)
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}
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return Base2Bytes(n), err
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}
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func (b Base2Bytes) String() string {
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return ToString(int64(b), 1024, "iB", "B")
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}
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var (
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metricBytesUnitMap = MakeUnitMap("B", "B", 1000)
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)
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// MetricBytes are SI byte units (1000 bytes in a kilobyte).
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type MetricBytes SI
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// SI base-10 byte units.
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const (
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Kilobyte MetricBytes = 1000
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KB = Kilobyte
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Megabyte = Kilobyte * 1000
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MB = Megabyte
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Gigabyte = Megabyte * 1000
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GB = Gigabyte
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Terabyte = Gigabyte * 1000
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TB = Terabyte
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Petabyte = Terabyte * 1000
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PB = Petabyte
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Exabyte = Petabyte * 1000
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EB = Exabyte
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)
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// ParseMetricBytes parses base-10 metric byte units. That is, KB is 1000 bytes.
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func ParseMetricBytes(s string) (MetricBytes, error) {
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n, err := ParseUnit(s, metricBytesUnitMap)
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return MetricBytes(n), err
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}
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func (m MetricBytes) String() string {
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return ToString(int64(m), 1000, "B", "B")
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}
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// ParseStrictBytes supports both iB and B suffixes for base 2 and metric,
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// respectively. That is, KiB represents 1024 and KB represents 1000.
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func ParseStrictBytes(s string) (int64, error) {
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n, err := ParseUnit(s, bytesUnitMap)
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if err != nil {
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n, err = ParseUnit(s, metricBytesUnitMap)
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}
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return int64(n), err
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}
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+13
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// Package units provides helpful unit multipliers and functions for Go.
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//
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// The goal of this package is to have functionality similar to the time [1] package.
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//
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//
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// [1] http://golang.org/pkg/time/
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//
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// It allows for code like this:
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//
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// n, err := ParseBase2Bytes("1KB")
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// // n == 1024
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// n = units.Mebibyte * 512
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package units
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+26
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package units
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// SI units.
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type SI int64
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// SI unit multiples.
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const (
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Kilo SI = 1000
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Mega = Kilo * 1000
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Giga = Mega * 1000
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Tera = Giga * 1000
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Peta = Tera * 1000
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Exa = Peta * 1000
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)
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func MakeUnitMap(suffix, shortSuffix string, scale int64) map[string]float64 {
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return map[string]float64{
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shortSuffix: 1,
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"K" + suffix: float64(scale),
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"M" + suffix: float64(scale * scale),
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"G" + suffix: float64(scale * scale * scale),
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"T" + suffix: float64(scale * scale * scale * scale),
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"P" + suffix: float64(scale * scale * scale * scale * scale),
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"E" + suffix: float64(scale * scale * scale * scale * scale * scale),
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}
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}
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+138
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package units
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import (
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"errors"
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"fmt"
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"strings"
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)
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var (
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siUnits = []string{"", "K", "M", "G", "T", "P", "E"}
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)
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func ToString(n int64, scale int64, suffix, baseSuffix string) string {
|
||||
mn := len(siUnits)
|
||||
out := make([]string, mn)
|
||||
for i, m := range siUnits {
|
||||
if n%scale != 0 || i == 0 && n == 0 {
|
||||
s := suffix
|
||||
if i == 0 {
|
||||
s = baseSuffix
|
||||
}
|
||||
out[mn-1-i] = fmt.Sprintf("%d%s%s", n%scale, m, s)
|
||||
}
|
||||
n /= scale
|
||||
if n == 0 {
|
||||
break
|
||||
}
|
||||
}
|
||||
return strings.Join(out, "")
|
||||
}
|
||||
|
||||
// Below code ripped straight from http://golang.org/src/pkg/time/format.go?s=33392:33438#L1123
|
||||
var errLeadingInt = errors.New("units: bad [0-9]*") // never printed
|
||||
|
||||
// leadingInt consumes the leading [0-9]* from s.
|
||||
func leadingInt(s string) (x int64, rem string, err error) {
|
||||
i := 0
|
||||
for ; i < len(s); i++ {
|
||||
c := s[i]
|
||||
if c < '0' || c > '9' {
|
||||
break
|
||||
}
|
||||
if x >= (1<<63-10)/10 {
|
||||
// overflow
|
||||
return 0, "", errLeadingInt
|
||||
}
|
||||
x = x*10 + int64(c) - '0'
|
||||
}
|
||||
return x, s[i:], nil
|
||||
}
|
||||
|
||||
func ParseUnit(s string, unitMap map[string]float64) (int64, error) {
|
||||
// [-+]?([0-9]*(\.[0-9]*)?[a-z]+)+
|
||||
orig := s
|
||||
f := float64(0)
|
||||
neg := false
|
||||
|
||||
// Consume [-+]?
|
||||
if s != "" {
|
||||
c := s[0]
|
||||
if c == '-' || c == '+' {
|
||||
neg = c == '-'
|
||||
s = s[1:]
|
||||
}
|
||||
}
|
||||
// Special case: if all that is left is "0", this is zero.
|
||||
if s == "0" {
|
||||
return 0, nil
|
||||
}
|
||||
if s == "" {
|
||||
return 0, errors.New("units: invalid " + orig)
|
||||
}
|
||||
for s != "" {
|
||||
g := float64(0) // this element of the sequence
|
||||
|
||||
var x int64
|
||||
var err error
|
||||
|
||||
// The next character must be [0-9.]
|
||||
if !(s[0] == '.' || ('0' <= s[0] && s[0] <= '9')) {
|
||||
return 0, errors.New("units: invalid " + orig)
|
||||
}
|
||||
// Consume [0-9]*
|
||||
pl := len(s)
|
||||
x, s, err = leadingInt(s)
|
||||
if err != nil {
|
||||
return 0, errors.New("units: invalid " + orig)
|
||||
}
|
||||
g = float64(x)
|
||||
pre := pl != len(s) // whether we consumed anything before a period
|
||||
|
||||
// Consume (\.[0-9]*)?
|
||||
post := false
|
||||
if s != "" && s[0] == '.' {
|
||||
s = s[1:]
|
||||
pl := len(s)
|
||||
x, s, err = leadingInt(s)
|
||||
if err != nil {
|
||||
return 0, errors.New("units: invalid " + orig)
|
||||
}
|
||||
scale := 1.0
|
||||
for n := pl - len(s); n > 0; n-- {
|
||||
scale *= 10
|
||||
}
|
||||
g += float64(x) / scale
|
||||
post = pl != len(s)
|
||||
}
|
||||
if !pre && !post {
|
||||
// no digits (e.g. ".s" or "-.s")
|
||||
return 0, errors.New("units: invalid " + orig)
|
||||
}
|
||||
|
||||
// Consume unit.
|
||||
i := 0
|
||||
for ; i < len(s); i++ {
|
||||
c := s[i]
|
||||
if c == '.' || ('0' <= c && c <= '9') {
|
||||
break
|
||||
}
|
||||
}
|
||||
u := s[:i]
|
||||
s = s[i:]
|
||||
unit, ok := unitMap[u]
|
||||
if !ok {
|
||||
return 0, errors.New("units: unknown unit " + u + " in " + orig)
|
||||
}
|
||||
|
||||
f += g * unit
|
||||
}
|
||||
|
||||
if neg {
|
||||
f = -f
|
||||
}
|
||||
if f < float64(-1<<63) || f > float64(1<<63-1) {
|
||||
return 0, errors.New("units: overflow parsing unit")
|
||||
}
|
||||
return int64(f), nil
|
||||
}
|
||||
Reference in New Issue
Block a user