mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
Andrew Heard
3796a55fdf
Implemented `GeminiLanguageModel`, providing an adapter for Google's Gemini models conforming to Apple's `FoundationModels.LanguageModel` protocol. This PR includes text to text generation capabilities; other modalities and Gemini features will be handled in follow-up PRs. **Note:** The `GeminiLanguageModel` implementation is guarded by the environment variable `GEMINI_LANGUAGE_MODEL`. By default none of the `GeminiLanguageModel` implementation is included. Key additions: - `GeminiLanguageModel`: Implements `LanguageModel` protocol with reasoning capabilities, configuring execution via `ModelResource` and `EndpointConfiguration`. - `GeminiLanguageModelExecutor`: Converts prompt instructions and history into Gemini streaming requests, yielding responses as `LanguageModelSession.ResponseStream`. - `GeminiTranscriptTranslator`: Translates Apple `Transcript` entries and segments into Gemini `Content` structures while preserving thought signatures and validating supported transcript features. - `GeminiLanguageModel.Error` and `GeminiErrorMapper`: Translates Gemini API, HTTP, and network errors into standard `LanguageModelError` cases (`rateLimited`, `timeout`, `guardrailViolation`, `refusal`, and `unsupportedLanguageOrLocale`) or `GeminiLanguageModel.Error` cases (`serviceUnavailable`, `networkFailure`, `modelNotFound`, `apiError`). The `APIError` payload is designed for seamless forward compatibility with both GenerateContent and the upcoming Interactions API. - Testing infrastructure: Adds `ConditionTrait.requireFoundationModels` to conditionally run Foundation Models tests only on supported platforms (macOS 27+, iOS 27+, watchOS 27+, visionOS 27+), along with shared test constants, mock fixtures, and comprehensive unit and integration test suites.
85 lines
3.1 KiB
Swift
85 lines
3.1 KiB
Swift
// Copyright 2026 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import Foundation
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/// An internal data model for `TemplateFunction`.
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///
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/// ### Gemini Developer API
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///
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/// Type: `TemplateFunction`
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///
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/// Structured representation of a function declaration as defined by the
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/// [OpenAPI 3.0 specification](https://spec.openapis.org/oas/v3.0.3). This
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/// is a representation of a block of code that can be used as a `Tool` by the
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/// model and executed by the client. The name of the function must be listed in
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/// the template frontmatter for the model to be able to call it.
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///
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/// ### Gemini Enterprise Agent Platform
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///
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/// Type: `TemplateFunction`
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///
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/// Structured representation of a function declaration as defined by the
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/// [OpenAPI 3.0 specification](https://spec.openapis.org/oas/v3.0.3). This
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/// is a representation of a block of code that can be used as a `Tool` by the
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/// model and executed by the client. The name of the function must be listed in
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/// the template frontmatter for the model to be able to call it.
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package struct TemplateFunction: Codable, Sendable, Equatable, Hashable {
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/// Required. The name of the function to call.
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package let name: String
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/// Optional. Describes the parameters to the function in JSON Schema format. The schema
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/// must describe an object where the properties are the parameters to the
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/// function. For example:
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///
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/// ```
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/// {
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/// "type": "object",
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/// "properties": {
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/// "name": { "type": "string" },
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/// "age": { "type": "integer" }
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/// },
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/// "additionalProperties": false,
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/// "required": ["name", "age"],
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/// "propertyOrdering": ["name", "age"]
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/// }
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/// ```
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package let inputSchema: [String: JSONValue]?
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/// Optional. Describes the output from this function in JSON Schema format. The value
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/// specified by the schema is the response value of the function.
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package let outputSchema: [String: JSONValue]?
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/// Creates a new `TemplateFunction`.
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///
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/// - Parameters:
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/// - name: Required. The name of the function to call.
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/// - inputSchema: Optional. Describes the parameters to the function in JSON Schema format. The schema
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/// - outputSchema: Optional. Describes the output from this function in JSON Schema format. The value
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package init(
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name: String,
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inputSchema: [String: JSONValue]? = nil,
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outputSchema: [String: JSONValue]? = nil
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) {
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self.name = name
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self.inputSchema = inputSchema
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self.outputSchema = outputSchema
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}
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enum CodingKeys: String, CodingKey {
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case name = "name"
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case inputSchema = "inputSchema"
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case outputSchema = "outputSchema"
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}
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}
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