45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
package format
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import (
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"strings"
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)
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// FormatEvent converts event data to bytes for appending to a chat log.
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// Streaming roles (assistant, reasoning, retry) return only the content chunk;
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// the caller is responsible for writing the [[[role]]] header for those.
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func FormatEvent(role, name, content, outputFormat string) []byte {
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switch role {
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case "user":
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return []byte(UserTag + "\n" + content + "\n" + EndTag + "\n")
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case "assistant":
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return []byte(content)
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case "reasoning":
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return []byte(content)
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case "call":
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args := strings.Join(strings.Fields(content), " ")
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return []byte(CallDelim(name) + "```\n" + args + "\n```\n" + EndTag + "\n")
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case "tool":
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fence := "```"
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if outputFormat != "" {
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fence += outputFormat
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}
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return []byte(ToolDelim(name) + fence + "\n" + strings.TrimRight(content, "\n") + "\n```\n" + EndTag + "\n")
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case "error":
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role := "error"
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if name != "" {
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role = "error:" + name
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}
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return []byte(RoleDelim(role) + "\n" + content + "\n" + EndTag + "\n")
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case "info":
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return []byte(RoleDelim("info") + "\n" + content + "\n" + EndTag + "\n")
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case "retry":
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return []byte(content)
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case "stalled":
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return []byte(RoleDelim("stalled") + "\n" + EndTag + "\n")
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case "maxsteps":
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return []byte(RoleDelim("maxsteps") + "\n" + content + "\n" + EndTag + "\n")
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default:
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return nil
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}
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}
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