| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "fmt" |
| 6 | "net/url" |
| 7 | "os" |
| 8 | "slices" |
| 9 | "sort" |
| 10 | "strconv" |
| 11 | "strings" |
| 12 | |
| 13 | "github.com/BurntSushi/toml" |
| 14 | |
| 15 | "reasonix/internal/fileutil" |
| 16 | fileencoding "reasonix/internal/fileutil/encoding" |
| 17 | ) |
| 18 | |
| 19 | const deepSeekOfficialBalanceURL = "https://api.deepseek.com/user/balance" |
| 20 | |
| 21 | // MigrateLegacyDeepSeekProtocolUserConfig upgrades only unmodified legacy |
| 22 | // DeepSeek provider aliases in the user-global config. It deliberately edits |
| 23 | // the original TOML in place instead of rendering Config, so comments, future |
| 24 | // fields, and unrelated provider blocks survive byte-for-byte. |
| 25 | func MigrateLegacyDeepSeekProtocolUserConfig() (bool, error) { |
| 26 | path := userConfigLoadPath() |
| 27 | if strings.TrimSpace(path) == "" { |
| 28 | return false, nil |
| 29 | } |
| 30 | return editLegacyDeepSeekProtocolFile(path, "", true) |
| 31 | } |
| 32 | |
| 33 | // IsDeepSeekProtocolConfigParseError reports whether migration failed while |
| 34 | // parsing the user configuration rather than reading, locking, or writing it. |
| 35 | func IsDeepSeekProtocolConfigParseError(err error) bool { |
| 36 | var parseErr toml.ParseError |
| 37 | return errors.As(err, &parseErr) |
| 38 | } |
| 39 | |
| 40 | // UpgradeDeepSeekProviderProtocol switches one official DeepSeek provider |
| 41 | // family to Anthropic Messages after an explicit user action. Passing the |
| 42 | // canonical name "deepseek" upgrades matching canonical/legacy alias blocks. |
| 43 | func UpgradeDeepSeekProviderProtocol(path, name string) (bool, error) { |
| 44 | name = strings.TrimSpace(name) |
| 45 | if name == "" { |
| 46 | return false, fmt.Errorf("upgrade DeepSeek protocol: empty provider name") |
| 47 | } |
| 48 | return editLegacyDeepSeekProtocolFile(path, name, false) |
| 49 | } |
| 50 | |
| 51 | // UpgradeDeepSeekProviderProtocolUserConfig applies the explicit upgrade to |
| 52 | // the active user-global source, including a legacy config location. |
| 53 | func UpgradeDeepSeekProviderProtocolUserConfig(name string) (bool, error) { |
| 54 | return UpgradeDeepSeekProviderProtocol(userConfigLoadPath(), name) |
| 55 | } |
| 56 | |
| 57 | // CanUpgradeDeepSeekProviderProtocolUserConfig reports whether the active |
| 58 | // user-global source contains a safely mappable provider in the requested |
| 59 | // DeepSeek family. Settings uses the same rewrite parser as the mutation path, |
| 60 | // so a project-only provider or an unsupported TOML shape cannot expose an |
| 61 | // action that would later edit a different file or fail unexpectedly. |
| 62 | func CanUpgradeDeepSeekProviderProtocolUserConfig(name string) bool { |
| 63 | path := userConfigLoadPath() |
| 64 | if strings.TrimSpace(path) == "" { |
| 65 | return false |
| 66 | } |
| 67 | resolved, exists, err := statConfigPath(path) |
| 68 | if err != nil || !exists { |
| 69 | return false |
| 70 | } |
| 71 | raw, err := fileencoding.ReadFileUTF8(resolved) |
| 72 | if err != nil { |
| 73 | return false |
| 74 | } |
| 75 | _, changed, err := rewriteLegacyDeepSeekProtocol(string(raw), name, false) |
| 76 | return err == nil && changed |
| 77 | } |
| 78 | |
| 79 | // CanUpgradeDeepSeekProviderProtocol reports whether Settings may offer the |
| 80 | // explicit protocol upgrade. Custom transport/capability fields prevent the |
| 81 | // automatic migration but remain preserved when the user confirms this action. |
| 82 | func CanUpgradeDeepSeekProviderProtocol(p *ProviderEntry) bool { |
| 83 | if p == nil || !strings.EqualFold(strings.TrimSpace(p.Kind), "openai") || |
| 84 | !isOfficialDeepSeekOpenAIEndpoint(p.BaseURL) || |
| 85 | strings.TrimSpace(p.APIKeyEnv) == "" { |
| 86 | return false |
| 87 | } |
| 88 | models := p.ModelList() |
| 89 | switch strings.TrimSpace(p.Name) { |
| 90 | case "deepseek-flash": |
| 91 | return len(models) == 1 && strings.TrimSpace(models[0]) == "deepseek-v4-flash" |
| 92 | case "deepseek-pro": |
| 93 | return len(models) == 1 && strings.TrimSpace(models[0]) == "deepseek-v4-pro" |
| 94 | case "deepseek": |
| 95 | if len(models) == 0 { |
| 96 | return false |
| 97 | } |
| 98 | for _, model := range models { |
| 99 | switch strings.TrimSpace(model) { |
| 100 | case "deepseek-v4-flash", "deepseek-v4-pro": |
| 101 | default: |
| 102 | return false |
| 103 | } |
| 104 | } |
| 105 | return true |
| 106 | default: |
| 107 | return false |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | func editLegacyDeepSeekProtocolFile(path, target string, automatic bool) (bool, error) { |
| 112 | unlock, err := LockConfigFileEdits(path) |
| 113 | if err != nil { |
| 114 | return false, err |
| 115 | } |
| 116 | defer unlock() |
| 117 | return editLegacyDeepSeekProtocolFileLocked(path, target, automatic) |
| 118 | } |
| 119 | |
| 120 | // UpgradeDeepSeekProviderProtocolLocked is the narrow edit for a caller that |
| 121 | // already owns LockUserConfigEdits, including a compare-and-save transaction. |
| 122 | func UpgradeDeepSeekProviderProtocolLocked(path, name string) (bool, error) { |
| 123 | return editLegacyDeepSeekProtocolFileLocked(path, name, false) |
| 124 | } |
| 125 | |
| 126 | func (c *Config) UpgradeDeepSeekProviderProtocolLocked(path, name string) (bool, error) { |
| 127 | return editLegacyDeepSeekProtocolFileLocked(path, name, false, c.publishModelConfigBytes) |
| 128 | } |
| 129 | |
| 130 | func editLegacyDeepSeekProtocolFileLocked(path, target string, automatic bool, publisher ...func(string, []byte, os.FileMode) error) (bool, error) { |
| 131 | resolved, exists, err := statConfigPath(path) |
| 132 | if err != nil || !exists { |
| 133 | return false, err |
| 134 | } |
| 135 | info, err := os.Stat(resolved) |
| 136 | if err != nil { |
| 137 | return false, err |
| 138 | } |
| 139 | rawBytes, err := os.ReadFile(resolved) |
| 140 | if err != nil { |
| 141 | return false, err |
| 142 | } |
| 143 | encoding, detected := fileencoding.Detect(rawBytes) |
| 144 | raw := fileencoding.Decode(detected, encoding) |
| 145 | next, changed, err := rewriteLegacyDeepSeekProtocol(string(raw), target, automatic) |
| 146 | if err != nil || !changed { |
| 147 | return changed, err |
| 148 | } |
| 149 | write := fileutil.AtomicWriteFileStrict |
| 150 | if len(publisher) > 0 { |
| 151 | write = publisher[0] |
| 152 | } |
| 153 | encoded, err := fileencoding.Encode(next, encoding) |
| 154 | if err != nil { |
| 155 | return false, err |
| 156 | } |
| 157 | if err := write(resolved, encoded, info.Mode().Perm()); err != nil { |
| 158 | return false, err |
| 159 | } |
| 160 | return true, nil |
| 161 | } |
| 162 | |
| 163 | func rewriteLegacyDeepSeekProtocol(raw, target string, automatic bool) (string, bool, error) { |
| 164 | // Retained for compatibility callers; current startup no longer invokes |
| 165 | // the old automatic Messages migration, and v8 choices must stay untouched. |
| 166 | if automatic { |
| 167 | var header struct { |
| 168 | ConfigVersion int `toml:"config_version"` |
| 169 | } |
| 170 | if _, err := toml.Decode(raw, &header); err != nil { |
| 171 | return raw, false, err |
| 172 | } |
| 173 | if header.ConfigVersion >= deepSeekChatDefaultConfigVersion { |
| 174 | return raw, false, nil |
| 175 | } |
| 176 | } |
| 177 | return rewriteDeepSeekProtocol(raw, "anthropic", deepSeekAnthropicBaseURL, func(entry *ProviderEntry, fields map[string]any) bool { |
| 178 | if !CanUpgradeDeepSeekProviderProtocol(entry) { |
| 179 | return false |
| 180 | } |
| 181 | if automatic { |
| 182 | return isUnmodifiedLegacyDeepSeekProvider(*entry, fields) |
| 183 | } |
| 184 | return deepSeekUpgradeTargetMatches(target, entry.Name) |
| 185 | }) |
| 186 | } |
| 187 | |
| 188 | // Shared lexical rewrite preserves comments, unknown fields and inline tables. |
| 189 | func rewriteDeepSeekProtocol(raw, kind, baseURL string, eligible func(*ProviderEntry, map[string]any) bool) (string, bool, error) { |
| 190 | var decoded struct { |
| 191 | Providers []ProviderEntry `toml:"providers"` |
| 192 | } |
| 193 | if _, err := toml.Decode(raw, &decoded); err != nil { |
| 194 | return raw, false, err |
| 195 | } |
| 196 | var generic struct { |
| 197 | Providers []map[string]any `toml:"providers"` |
| 198 | } |
| 199 | if _, err := toml.Decode(raw, &generic); err != nil { |
| 200 | return raw, false, err |
| 201 | } |
| 202 | |
| 203 | lines := strings.Split(raw, "\n") |
| 204 | blocks := providerTOMLBlocks(lines) |
| 205 | if len(blocks) == len(decoded.Providers) && len(generic.Providers) == len(decoded.Providers) { |
| 206 | changed := false |
| 207 | for i := range decoded.Providers { |
| 208 | entry := &decoded.Providers[i] |
| 209 | if !eligible(entry, generic.Providers[i]) { |
| 210 | continue |
| 211 | } |
| 212 | if err := rewriteDeepSeekProviderBlockAs(lines, blocks[i], kind, baseURL); err != nil { |
| 213 | return raw, false, err |
| 214 | } |
| 215 | changed = true |
| 216 | } |
| 217 | return strings.Join(lines, "\n"), changed, nil |
| 218 | } |
| 219 | |
| 220 | inlineBlocks, err := providerTOMLInlineBlocks(raw) |
| 221 | if err != nil || len(inlineBlocks) != len(decoded.Providers) || len(generic.Providers) != len(decoded.Providers) { |
| 222 | return raw, false, fmt.Errorf("upgrade DeepSeek protocol: could not map provider tables safely") |
| 223 | } |
| 224 | replacements := make([]tomlReplacement, 0, len(decoded.Providers)*2) |
| 225 | for i := range decoded.Providers { |
| 226 | entry := &decoded.Providers[i] |
| 227 | if !eligible(entry, generic.Providers[i]) { |
| 228 | continue |
| 229 | } |
| 230 | block := inlineBlocks[i] |
| 231 | if block.kindStart < 0 || block.baseURLStart < 0 { |
| 232 | return raw, false, fmt.Errorf("upgrade DeepSeek protocol: inline provider table is missing kind or base_url") |
| 233 | } |
| 234 | replacements = append(replacements, |
| 235 | tomlReplacement{start: block.kindStart, end: block.kindEnd, value: strconv.Quote(kind)}, |
| 236 | tomlReplacement{start: block.baseURLStart, end: block.baseURLEnd, value: strconv.Quote(baseURL)}, |
| 237 | ) |
| 238 | if kind == "openai" { |
| 239 | // Clear the standard override rather than pin the canonical URL so |
| 240 | // the derived endpoint applies and independent search stays enabled. |
| 241 | for _, span := range block.chatEndpoints { |
| 242 | replacements = append(replacements, tomlReplacement{start: span[0], end: span[1], value: strconv.Quote("")}) |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | if len(replacements) == 0 { |
| 247 | return raw, false, nil |
| 248 | } |
| 249 | return applyTOMLReplacements(raw, replacements), true, nil |
| 250 | } |
| 251 | |
| 252 | func isUnmodifiedLegacyDeepSeekProvider(p ProviderEntry, raw map[string]any) bool { |
| 253 | if p.Name != "deepseek-flash" && p.Name != "deepseek-pro" { |
| 254 | return false |
| 255 | } |
| 256 | if !isExactDeepSeekOpenAIEndpoint(p.BaseURL) { |
| 257 | return false |
| 258 | } |
| 259 | // Automatic migration is intentionally narrower than the explicit Settings |
| 260 | // upgrade: only the stock environment variable is unambiguous enough to |
| 261 | // change without user confirmation. |
| 262 | if strings.TrimSpace(p.APIKeyEnv) != "DEEPSEEK_API_KEY" { |
| 263 | return false |
| 264 | } |
| 265 | allowed := map[string]bool{ |
| 266 | "name": true, "kind": true, "base_url": true, "model": true, |
| 267 | "api_key_env": true, "balance_url": true, "context_window": true, |
| 268 | "price": true, |
| 269 | } |
| 270 | for key := range raw { |
| 271 | if !allowed[key] { |
| 272 | return false |
| 273 | } |
| 274 | } |
| 275 | for _, required := range []string{"name", "kind", "base_url", "model", "api_key_env"} { |
| 276 | if _, ok := raw[required]; !ok { |
| 277 | return false |
| 278 | } |
| 279 | } |
| 280 | if p.BalanceURL != "" && strings.TrimRight(strings.TrimSpace(p.BalanceURL), "/") != deepSeekOfficialBalanceURL { |
| 281 | return false |
| 282 | } |
| 283 | if p.ContextWindow != 0 && p.ContextWindow != 1_000_000 { |
| 284 | return false |
| 285 | } |
| 286 | return p.Price == nil || IsKnownDeepSeekOfficialPricing(p.Model, p.Price) |
| 287 | } |
| 288 | |
| 289 | func deepSeekUpgradeTargetMatches(target, providerName string) bool { |
| 290 | target = strings.TrimSpace(target) |
| 291 | providerName = strings.TrimSpace(providerName) |
| 292 | if target == providerName { |
| 293 | return true |
| 294 | } |
| 295 | if CanonicalDesktopOfficialProviderName(target) != "deepseek" { |
| 296 | return false |
| 297 | } |
| 298 | return CanonicalDesktopOfficialProviderName(providerName) == "deepseek" |
| 299 | } |
| 300 | |
| 301 | func isExactDeepSeekOpenAIEndpoint(raw string) bool { |
| 302 | path, ok := deepSeekOpenAIEndpointPath(raw) |
| 303 | return ok && path == "" |
| 304 | } |
| 305 | |
| 306 | func isOfficialDeepSeekOpenAIEndpoint(raw string) bool { |
| 307 | path, ok := deepSeekOpenAIEndpointPath(raw) |
| 308 | return ok && (path == "" || path == "/v1") |
| 309 | } |
| 310 | |
| 311 | func deepSeekOpenAIEndpointPath(raw string) (string, bool) { |
| 312 | u, err := url.Parse(strings.TrimSpace(raw)) |
| 313 | if err != nil || !strings.EqualFold(u.Scheme, "https") || |
| 314 | !strings.EqualFold(u.Hostname(), "api.deepseek.com") || u.Port() != "" || |
| 315 | u.User != nil || u.RawQuery != "" || u.Fragment != "" { |
| 316 | return "", false |
| 317 | } |
| 318 | return strings.TrimRight(u.EscapedPath(), "/"), true |
| 319 | } |
| 320 | |
| 321 | type providerTOMLBlock struct { |
| 322 | start int |
| 323 | end int |
| 324 | } |
| 325 | |
| 326 | func providerTOMLBlocks(lines []string) []providerTOMLBlock { |
| 327 | headerLines := make([]int, 0) |
| 328 | providerStarts := make([]int, 0) |
| 329 | state := tomlOutside |
| 330 | for i, line := range lines { |
| 331 | if state != tomlOutside { |
| 332 | state = advanceTOMLStringState(state, line) |
| 333 | continue |
| 334 | } |
| 335 | if tomlSectionHeader(line) != "" { |
| 336 | headerLines = append(headerLines, i) |
| 337 | if isProviderArrayTableHeader(line) { |
| 338 | providerStarts = append(providerStarts, i) |
| 339 | } |
| 340 | } |
| 341 | state = advanceTOMLStringState(tomlOutside, line) |
| 342 | } |
| 343 | out := make([]providerTOMLBlock, 0, len(providerStarts)) |
| 344 | for _, start := range providerStarts { |
| 345 | end := len(lines) |
| 346 | for _, header := range headerLines { |
| 347 | if header > start { |
| 348 | end = header |
| 349 | break |
| 350 | } |
| 351 | } |
| 352 | out = append(out, providerTOMLBlock{start: start, end: end}) |
| 353 | } |
| 354 | return out |
| 355 | } |
| 356 | |
| 357 | type providerTOMLInlineBlock struct { |
| 358 | chatEndpoints [][2]int |
| 359 | start, end int |
| 360 | kindStart, kindEnd int |
| 361 | baseURLStart, baseURLEnd int |
| 362 | fields map[string]providerTOMLInlineField |
| 363 | segments [][2]int |
| 364 | } |
| 365 | |
| 366 | type providerTOMLInlineField struct { |
| 367 | valueStart, valueEnd int |
| 368 | segment int |
| 369 | } |
| 370 | |
| 371 | type tomlReplacement struct { |
| 372 | start, end int |
| 373 | value string |
| 374 | } |
| 375 | |
| 376 | // providerTOMLInlineBlocks locates providers declared as an inline TOML array |
| 377 | // while preserving byte offsets so migration can edit only two scalar values. |
| 378 | // The parser is deliberately lexical: BurntSushi/toml validates the document, |
| 379 | // while this scan handles nested arrays/tables and quoted delimiters without |
| 380 | // re-rendering comments or unknown fields. |
| 381 | func providerTOMLInlineBlocks(raw string) ([]providerTOMLInlineBlock, error) { |
| 382 | arrayStart, arrayEnd, err := providerTOMLInlineArrayRange(raw) |
| 383 | if err != nil { |
| 384 | return nil, err |
| 385 | } |
| 386 | return collectProviderTOMLInlineBlocks(raw, arrayStart, arrayEnd) |
| 387 | } |
| 388 | |
| 389 | func providerTOMLInlineArrayRange(raw string) (int, int, error) { |
| 390 | arrayStart, arrayEnd := -1, -1 |
| 391 | section := "" |
| 392 | state := tomlOutside |
| 393 | for _, span := range tomlLineSpans(raw) { |
| 394 | if state != tomlOutside { |
| 395 | state = advanceTOMLStringState(state, span.text) |
| 396 | continue |
| 397 | } |
| 398 | if header := tomlSectionHeader(span.text); header != "" { |
| 399 | section = header |
| 400 | state = advanceTOMLStringState(tomlOutside, span.text) |
| 401 | continue |
| 402 | } |
| 403 | if section != "" { |
| 404 | state = advanceTOMLStringState(tomlOutside, span.text) |
| 405 | continue |
| 406 | } |
| 407 | line := strings.TrimRight(span.text, "\r\n") |
| 408 | nextState := advanceTOMLStringState(tomlOutside, line) |
| 409 | key, _, ok := tomlKeyValue(line) |
| 410 | if !ok || strings.Trim(key, `"'`) != "providers" { |
| 411 | state = nextState |
| 412 | continue |
| 413 | } |
| 414 | equals := strings.IndexByte(line, '=') |
| 415 | valueStart := span.start + equals + 1 |
| 416 | for valueStart < len(raw) && (raw[valueStart] == ' ' || raw[valueStart] == '\t' || raw[valueStart] == '\r' || raw[valueStart] == '\n') { |
| 417 | valueStart++ |
| 418 | } |
| 419 | if valueStart >= len(raw) || raw[valueStart] != '[' { |
| 420 | state = nextState |
| 421 | continue |
| 422 | } |
| 423 | valueEnd, err := scanTOMLDelimitedValue(raw, valueStart, '[', ']') |
| 424 | if err != nil { |
| 425 | return -1, -1, err |
| 426 | } |
| 427 | arrayStart, arrayEnd = valueStart, valueEnd |
| 428 | break |
| 429 | } |
| 430 | if arrayStart < 0 { |
| 431 | return -1, -1, fmt.Errorf("providers inline array not found") |
| 432 | } |
| 433 | return arrayStart, arrayEnd, nil |
| 434 | } |
| 435 | |
| 436 | func collectProviderTOMLInlineBlocks(raw string, arrayStart, arrayEnd int) ([]providerTOMLInlineBlock, error) { |
| 437 | var tables []providerTOMLInlineBlock |
| 438 | stack := make([]byte, 0, 4) |
| 439 | tableStart := -1 |
| 440 | var scanErr error |
| 441 | err := scanTOMLOutsideStrings(raw, arrayStart, arrayEnd+1, func(pos int, ch byte) bool { |
| 442 | if scanErr != nil { |
| 443 | return false |
| 444 | } |
| 445 | switch ch { |
| 446 | case '[', '{': |
| 447 | stack = append(stack, ch) |
| 448 | if ch == '{' && len(stack) == 2 && stack[0] == '[' { |
| 449 | tableStart = pos |
| 450 | } |
| 451 | case ']', '}': |
| 452 | if len(stack) == 0 || (ch == ']' && stack[len(stack)-1] != '[') || (ch == '}' && stack[len(stack)-1] != '{') { |
| 453 | scanErr = fmt.Errorf("invalid providers inline array nesting") |
| 454 | return false |
| 455 | } |
| 456 | if ch == '}' && len(stack) == 2 && tableStart >= 0 { |
| 457 | block, err := parseProviderTOMLInlineBlock(raw, tableStart, pos) |
| 458 | if err != nil { |
| 459 | scanErr = err |
| 460 | return false |
| 461 | } |
| 462 | tables = append(tables, block) |
| 463 | tableStart = -1 |
| 464 | } |
| 465 | stack = stack[:len(stack)-1] |
| 466 | } |
| 467 | return true |
| 468 | }) |
| 469 | if scanErr != nil { |
| 470 | return nil, scanErr |
| 471 | } |
| 472 | if err != nil { |
| 473 | return nil, err |
| 474 | } |
| 475 | if len(stack) != 0 || len(tables) == 0 { |
| 476 | return nil, fmt.Errorf("providers inline array contains no provider tables") |
| 477 | } |
| 478 | return tables, nil |
| 479 | } |
| 480 | |
| 481 | func parseProviderTOMLInlineBlock(raw string, start, end int) (providerTOMLInlineBlock, error) { |
| 482 | block := providerTOMLInlineBlock{ |
| 483 | start: start, end: end, kindStart: -1, baseURLStart: -1, |
| 484 | fields: make(map[string]providerTOMLInlineField), |
| 485 | } |
| 486 | segmentStart := start + 1 |
| 487 | depth := 0 |
| 488 | var segments [][2]int |
| 489 | var scanErr error |
| 490 | err := scanTOMLOutsideStrings(raw, start+1, end, func(pos int, ch byte) bool { |
| 491 | if scanErr != nil { |
| 492 | return false |
| 493 | } |
| 494 | switch ch { |
| 495 | case '[', '{': |
| 496 | depth++ |
| 497 | case ']', '}': |
| 498 | depth-- |
| 499 | if depth < 0 { |
| 500 | scanErr = fmt.Errorf("invalid inline provider table nesting") |
| 501 | return false |
| 502 | } |
| 503 | case ',': |
| 504 | if depth == 0 { |
| 505 | segments = append(segments, [2]int{segmentStart, pos}) |
| 506 | segmentStart = pos + 1 |
| 507 | } |
| 508 | } |
| 509 | return true |
| 510 | }) |
| 511 | if scanErr != nil { |
| 512 | return block, scanErr |
| 513 | } |
| 514 | if err != nil { |
| 515 | return block, err |
| 516 | } |
| 517 | segments = append(segments, [2]int{segmentStart, end}) |
| 518 | block.segments = append(block.segments, segments...) |
| 519 | for segmentIndex, segment := range segments { |
| 520 | start, end := trimTOMLWhitespace(raw, segment[0], segment[1]) |
| 521 | if start >= end { |
| 522 | continue |
| 523 | } |
| 524 | equals, err := findTOMLAssignmentEquals(raw, start, end) |
| 525 | if err != nil { |
| 526 | return block, err |
| 527 | } |
| 528 | if equals < 0 { |
| 529 | return block, fmt.Errorf("inline provider table contains a value without a key") |
| 530 | } |
| 531 | key := strings.Trim(strings.TrimSpace(raw[start:equals]), `"'`) |
| 532 | valueStart, valueEnd := trimTOMLWhitespace(raw, equals+1, end) |
| 533 | if comment := tomlInlineCommentIndex(raw[valueStart:valueEnd]); comment >= 0 { |
| 534 | valueEnd = valueStart + comment |
| 535 | valueStart, valueEnd = trimTOMLWhitespace(raw, valueStart, valueEnd) |
| 536 | } |
| 537 | block.fields[key] = providerTOMLInlineField{valueStart: valueStart, valueEnd: valueEnd, segment: segmentIndex} |
| 538 | switch key { |
| 539 | case "request_url", "chat_url": |
| 540 | // Empty overrides are equivalent to omission and stay empty. |
| 541 | if raw[valueStart:valueEnd] != `""` && raw[valueStart:valueEnd] != `''` { |
| 542 | block.chatEndpoints = append(block.chatEndpoints, [2]int{valueStart, valueEnd}) |
| 543 | } |
| 544 | case "kind": |
| 545 | block.kindStart, block.kindEnd = valueStart, valueEnd |
| 546 | case "base_url": |
| 547 | block.baseURLStart, block.baseURLEnd = valueStart, valueEnd |
| 548 | } |
| 549 | } |
| 550 | return block, nil |
| 551 | } |
| 552 | |
| 553 | func scanTOMLDelimitedValue(raw string, start int, open, close byte) (int, error) { |
| 554 | depth := 0 |
| 555 | end := -1 |
| 556 | var scanErr error |
| 557 | err := scanTOMLOutsideStrings(raw, start, len(raw), func(pos int, ch byte) bool { |
| 558 | switch ch { |
| 559 | case open: |
| 560 | depth++ |
| 561 | case close: |
| 562 | depth-- |
| 563 | if depth == 0 { |
| 564 | end = pos |
| 565 | return false |
| 566 | } |
| 567 | if depth < 0 { |
| 568 | scanErr = fmt.Errorf("invalid TOML array nesting") |
| 569 | return false |
| 570 | } |
| 571 | } |
| 572 | return true |
| 573 | }) |
| 574 | if scanErr != nil { |
| 575 | return -1, scanErr |
| 576 | } |
| 577 | if err != nil { |
| 578 | return -1, err |
| 579 | } |
| 580 | if end < 0 { |
| 581 | return -1, fmt.Errorf("unterminated TOML inline array") |
| 582 | } |
| 583 | return end, nil |
| 584 | } |
| 585 | |
| 586 | // scanTOMLOutsideStrings visits structural bytes outside TOML strings and |
| 587 | // comments. It is used only after BurntSushi/toml has validated the document. |
| 588 | func scanTOMLOutsideStrings(raw string, start, end int, visit func(int, byte) bool) error { |
| 589 | const ( |
| 590 | outside = iota |
| 591 | basic |
| 592 | literal |
| 593 | multilineBasic |
| 594 | multilineLiteral |
| 595 | ) |
| 596 | state, escaped := outside, false |
| 597 | for i := start; i < end; { |
| 598 | ch := raw[i] |
| 599 | switch state { |
| 600 | case basic: |
| 601 | if escaped { |
| 602 | escaped = false |
| 603 | i++ |
| 604 | continue |
| 605 | } |
| 606 | switch ch { |
| 607 | case '\\': |
| 608 | escaped = true |
| 609 | case '"': |
| 610 | state = outside |
| 611 | } |
| 612 | i++ |
| 613 | case literal: |
| 614 | if ch == '\'' { |
| 615 | state = outside |
| 616 | } |
| 617 | i++ |
| 618 | case multilineBasic: |
| 619 | if escaped { |
| 620 | escaped = false |
| 621 | i++ |
| 622 | continue |
| 623 | } |
| 624 | if ch == '\\' { |
| 625 | escaped = true |
| 626 | i++ |
| 627 | continue |
| 628 | } |
| 629 | if strings.HasPrefix(raw[i:], `"""`) { |
| 630 | state = outside |
| 631 | i += 3 |
| 632 | continue |
| 633 | } |
| 634 | i++ |
| 635 | case multilineLiteral: |
| 636 | if strings.HasPrefix(raw[i:], "'''") { |
| 637 | state = outside |
| 638 | i += 3 |
| 639 | continue |
| 640 | } |
| 641 | i++ |
| 642 | default: |
| 643 | if ch == '#' { |
| 644 | for i < end && raw[i] != '\n' { |
| 645 | i++ |
| 646 | } |
| 647 | continue |
| 648 | } |
| 649 | if ch == '"' { |
| 650 | run := 1 |
| 651 | for i+run < end && raw[i+run] == '"' { |
| 652 | run++ |
| 653 | } |
| 654 | if run >= 3 { |
| 655 | state = multilineBasic |
| 656 | i += 3 |
| 657 | } else { |
| 658 | state = basic |
| 659 | i++ |
| 660 | } |
| 661 | continue |
| 662 | } |
| 663 | if ch == '\'' { |
| 664 | run := 1 |
| 665 | for i+run < end && raw[i+run] == '\'' { |
| 666 | run++ |
| 667 | } |
| 668 | if run >= 3 { |
| 669 | state = multilineLiteral |
| 670 | i += 3 |
| 671 | } else { |
| 672 | state = literal |
| 673 | i++ |
| 674 | } |
| 675 | continue |
| 676 | } |
| 677 | if visit != nil && !visit(i, ch) { |
| 678 | return nil |
| 679 | } |
| 680 | i++ |
| 681 | } |
| 682 | } |
| 683 | if state != outside { |
| 684 | return fmt.Errorf("unterminated TOML string") |
| 685 | } |
| 686 | return nil |
| 687 | } |
| 688 | |
| 689 | func trimTOMLWhitespace(raw string, start, end int) (int, int) { |
| 690 | for start < end && strings.ContainsRune(" \t\r\n", rune(raw[start])) { |
| 691 | start++ |
| 692 | } |
| 693 | for end > start && strings.ContainsRune(" \t\r\n", rune(raw[end-1])) { |
| 694 | end-- |
| 695 | } |
| 696 | return start, end |
| 697 | } |
| 698 | |
| 699 | func findTOMLAssignmentEquals(raw string, start, end int) (int, error) { |
| 700 | var found = -1 |
| 701 | depth := 0 |
| 702 | err := scanTOMLOutsideStrings(raw, start, end, func(pos int, ch byte) bool { |
| 703 | switch ch { |
| 704 | case '[', '{': |
| 705 | depth++ |
| 706 | case ']', '}': |
| 707 | depth-- |
| 708 | case '=': |
| 709 | if depth == 0 { |
| 710 | found = pos |
| 711 | return false |
| 712 | } |
| 713 | } |
| 714 | return true |
| 715 | }) |
| 716 | return found, err |
| 717 | } |
| 718 | |
| 719 | func applyTOMLReplacements(raw string, replacements []tomlReplacement) string { |
| 720 | sort.Slice(replacements, func(i, j int) bool { return replacements[i].start < replacements[j].start }) |
| 721 | for _, r := range slices.Backward(replacements) { |
| 722 | raw = raw[:r.start] + r.value + raw[r.end:] |
| 723 | } |
| 724 | return raw |
| 725 | } |
| 726 | |
| 727 | func isProviderArrayTableHeader(line string) bool { |
| 728 | trimmed := strings.TrimSpace(line) |
| 729 | if comment := tomlInlineCommentIndex(trimmed); comment >= 0 { |
| 730 | trimmed = strings.TrimSpace(trimmed[:comment]) |
| 731 | } |
| 732 | if !strings.HasPrefix(trimmed, "[[") || !strings.HasSuffix(trimmed, "]]") { |
| 733 | return false |
| 734 | } |
| 735 | key := strings.TrimSpace(trimmed[2 : len(trimmed)-2]) |
| 736 | switch { |
| 737 | case key == "providers", key == "'providers'": |
| 738 | return true |
| 739 | case len(key) >= 2 && key[0] == '"' && key[len(key)-1] == '"': |
| 740 | decoded, err := strconv.Unquote(key) |
| 741 | return err == nil && decoded == "providers" |
| 742 | default: |
| 743 | return false |
| 744 | } |
| 745 | } |
| 746 |