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chore: import upstream snapshot with attribution
2026-07-13 12:16:49 +08:00

74 lines
1.9 KiB
Go

//
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Package io — small type-coercion helpers shared by docs_generator.go
// and the per-format writers. Kept here (rather than in the parent
// component package) so the io/ subpackage has zero coupling to the
// canvas engine and can be tested in isolation.
package io
// stringFrom extracts a string from a conf map, returning the value
// and ok=true. nil / wrong-type yields ("", false).
func stringFrom(conf map[string]any, key string) (string, bool) {
if conf == nil {
return "", false
}
v, ok := conf[key]
if !ok {
return "", false
}
s, ok := v.(string)
return s, ok
}
// intFrom extracts an int from a conf map. JSON-decoded numbers
// commonly come in as float64; we accept both shapes for friendliness.
func intFrom(conf map[string]any, key string) (int, bool) {
if conf == nil {
return 0, false
}
v, ok := conf[key]
if !ok {
return 0, false
}
switch n := v.(type) {
case int:
return n, true
case int32:
return int(n), true
case int64:
return int(n), true
case float32:
return int(n), true
case float64:
return int(n), true
}
return 0, false
}
// boolFrom extracts a bool from a conf map.
func boolFrom(conf map[string]any, key string) (bool, bool) {
if conf == nil {
return false, false
}
v, ok := conf[key]
if !ok {
return false, false
}
b, ok := v.(bool)
return b, ok
}