src/prologue/core/application

src/prologue/core/application

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Procs

proc addGroup(app: Prologue; patterns: openArray[(Group, seq[UrlPattern])]) {....raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds multiple routes with handlers. Source  Edit  
proc addGroup(group: Group; route: string; handler: HandlerAsync;
              httpMethod = HttpGet; name = "";
              middlewares: openArray[HandlerAsync] = @[]) {....raises: [RouteError,
    KeyError, DuplicatedRouteError, DuplicatedReversedRouteError], tags: [],
    forbids: [].}

Adds a single route and handler. It checks whether route is duplicated.

Notes: The framework will automatically register HttpHead method, if httpMethod is HttpGet.

Source  Edit  
proc addGroup(group: Group; route: string; handler: HandlerAsync;
              httpMethod: openArray[HttpMethod]; name = "";
              middlewares: openArray[HandlerAsync] = @[]) {....raises: [RouteError,
    KeyError, DuplicatedRouteError, DuplicatedReversedRouteError], tags: [],
    forbids: [].}
Adds a single regex route and handler, but supports a set of HttpMethod. It also checks whether route is duplicated Source  Edit  
proc addRoute(app: Prologue; patterns: openArray[UrlPattern]; baseRoute = "";
              middlewares: Option[seq[HandlerAsync]] = none(seq[HandlerAsync])) {....raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds multiple routes with handlers. Source  Edit  
proc addRoute(app: Prologue; route: Regex; handler: HandlerAsync;
              httpMethod = HttpGet; middlewares: openArray[HandlerAsync] = @[]) {.
    inline, ...raises: [], tags: [], forbids: [].}

Adds a single regex route with handler and don't check whether route is duplicated.

Notes: The framework will automatically register HttpHead method, if HttpMethod is HttpGet.

Source  Edit  
proc addRoute(app: Prologue; route: Regex; handler: HandlerAsync;
              httpMethod: openArray[HttpMethod];
              middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [],
    tags: [], forbids: [].}
Adds a single regex route and handler, but supports a set of HttpMethod. Source  Edit  
proc addRoute(app: Prologue; route: string; handler: HandlerAsync;
              httpMethod = HttpGet; name = "";
              middlewares: openArray[HandlerAsync] = @[]) {....raises: [RouteError,
    KeyError, DuplicatedRouteError, DuplicatedReversedRouteError], tags: [],
    forbids: [].}

Adds a single route and handler. It checks whether route is duplicated.

Notes: The framework will automatically register HttpHead method, if HttpMethod is HttpGet.

Source  Edit  
proc addRoute(app: Prologue; route: string; handler: HandlerAsync;
              httpMethod: openArray[HttpMethod]; name = "";
              middlewares: openArray[HandlerAsync] = @[]) {....raises: [RouteError,
    KeyError, DuplicatedRouteError, DuplicatedReversedRouteError], tags: [],
    forbids: [].}
Adds a single route and handler, but supports a set of HttpMethod. It also checks whether route is duplicated Source  Edit  
proc all(app: Prologue; route: string; handler: HandlerAsync; name = "";
         middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with all HttpMethod. Source  Edit  
proc all(group: Group; route: string; handler: HandlerAsync; name = "";
         middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with all HttpMethod. Source  Edit  
proc connect(app: Prologue; route: string; handler: HandlerAsync; name = "";
             middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpConnect. Source  Edit  
proc connect(group: Group; route: string; handler: HandlerAsync; name = "";
             middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpConnect. Source  Edit  
proc delete(app: Prologue; route: string; handler: HandlerAsync; name = "";
            middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpDelete. Source  Edit  
proc delete(group: Group; route: string; handler: HandlerAsync; name = "";
            middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpDelete. Source  Edit  
proc get(app: Prologue; route: string; handler: HandlerAsync; name = "";
         middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpGet and HttpHead. Source  Edit  
proc get(group: Group; route: string; handler: HandlerAsync; name = "";
         middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpGet and HttpHead. Source  Edit  
proc handleContext(app: Prologue; ctx: Context): owned(Future[void]) {....gcsafe,
    stackTrace: false, raises: [Exception, KeyError, ValueError, SslError],
    tags: [RootEffect], forbids: [].}
Handles the context of each request. Todo Optimization Source  Edit  
proc handleRequest(app: Prologue; nativeRequest: NativeRequest;
                   ctxTyp: typedesc[Context]): Future[void] {....gcsafe.}
Handles the native request and sends response to the client. Source  Edit  
proc head(app: Prologue; route: string; handler: HandlerAsync; name = "";
          middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpHead. Source  Edit  
proc head(group: Group; route: string; handler: HandlerAsync; name = "";
          middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpHead. Source  Edit  
func newApp(settings: Settings = newSettings();
            middlewares: openArray[HandlerAsync] = @[];
            startup: openArray[Event] = @[]; shutdown: openArray[Event] = @[];
    errorHandlerTable = newErrorHandlerTable(
    [(Http404, default404Handler), (Http500, default500Handler)]);
            appData = newStringTable(mode = modeCaseSensitive)): Prologue {.
    inline, ...raises: [ValueError, KeyError], tags: [], forbids: [].}

Creates a new App instance.

Params:

- `settings` is a global immutable setting which is visible to all handlers.
- `middlewares` is a global sequence of middlewares.
- `startup` is used to execute tasks before the application starts.
- `shutdown` is used to execute tasks after the application stops.
- `errorHandlerTable` stores HTTP codes and corresponding handlers.
- `appData` is a global user-defined data.
Source  Edit  
proc newAppQueryEnv(configFileExt: ConfigFileExt;
                    loadJsonNode: proc (configPath: string): JsonNode;
                    middlewares: openArray[HandlerAsync] = @[];
                    startup: openArray[Event] = @[];
                    shutdown: openArray[Event] = @[]; errorHandlerTable = newErrorHandlerTable(
    [(Http404, default404Handler), (Http500, default500Handler)]);
                    appData = newStringTable(mode = modeCaseSensitive)): Prologue {.
    ...raises: [IOError, KeyError, EmptySecretKeyError, Exception],
    tags: [ReadEnvEffect, ReadDirEffect, RootEffect], forbids: [].}
Creates a new App instance. The config file used to create the instance is loaded from a ./.config directory. The specific config file of that directory that is used is determined by querying the contents of the PROLOGUE environment variable, which must be set. Source  Edit  
proc newAppQueryEnv(middlewares: openArray[HandlerAsync] = @[];
                    startup: openArray[Event] = @[];
                    shutdown: openArray[Event] = @[]; errorHandlerTable = newErrorHandlerTable(
    [(Http404, default404Handler), (Http500, default500Handler)]);
                    appData = newStringTable(mode = modeCaseSensitive)): Prologue {.
    inline, ...raises: [IOError, KeyError, EmptySecretKeyError, Exception],
    tags: [ReadEnvEffect, ReadDirEffect, RootEffect], forbids: [].}
Creates a new App instance. by querying environment variables: PROLOGUE. Source  Edit  
proc options(app: Prologue; route: string; handler: HandlerAsync; name = "";
             middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpOptions. Source  Edit  
proc options(group: Group; route: string; handler: HandlerAsync; name = "";
             middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpOptions. Source  Edit  
proc patch(app: Prologue; route: string; handler: HandlerAsync; name = "";
           middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpPatch. Source  Edit  
proc patch(group: Group; route: string; handler: HandlerAsync; name = "";
           middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpPatch. Source  Edit  
proc post(app: Prologue; route: string; handler: HandlerAsync; name = "";
          middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpPost. Source  Edit  
proc post(group: Group; route: string; handler: HandlerAsync; name = "";
          middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpPost. Source  Edit  
proc put(app: Prologue; route: string; handler: HandlerAsync; name = "";
         middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpPut. Source  Edit  
proc put(group: Group; route: string; handler: HandlerAsync; name = "";
         middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpPut. Source  Edit  
proc registerErrorHandler(app: Prologue; code: HttpCode; handler: ErrorHandler) {.
    inline, ...raises: [], tags: [], forbids: [].}

Registers a user-defined error handler. You can specify HttpCode and its corresponding handler.

When the HTTP code of response exists in the error handler table, corresponding handler will be executed.

Source  Edit  
proc registerErrorHandler(app: Prologue; code: openArray[HttpCode];
                          handler: ErrorHandler) {.inline, ...raises: [], tags: [],
    forbids: [].}
Registers the same handler with a sequence of HttpCode. This is a helper function.

Example:

## Examples for all registerErrorHandler
proc go404*(ctx: Context) {.async.} =
  resp "Something wrong!", Http404

proc go20x*(ctx: Context) {.async.} =
  resp "Ok!", Http200

proc go30x*(ctx: Context) {.async.} =
  resp "EveryThing else?", Http301

var app = newApp()
app.registerErrorHandler(Http404, go404)
app.registerErrorHandler({Http200 .. Http204}, go20x)
app.registerErrorHandler(@[Http301, Http304, Http307], go30x)

doAssert app.errorHandlerTable[Http404] == go404
doAssert app.errorHandlerTable[Http202] == go20x
doAssert app.errorHandlerTable[Http304] == go30x
Source  Edit  
proc registerErrorHandler(app: Prologue; code: set[HttpCode];
                          handler: ErrorHandler) {.inline, ...raises: [], tags: [],
    forbids: [].}
Registers the same handler with a set of HttpCode. Source  Edit  
proc run(app: Prologue) {.inline, ...raises: [ValueError, Exception, OSError,
    SslError, LibraryError, KeyError], tags: [TimeEffect, RootEffect,
    WriteIOEffect, ReadIOEffect], forbids: [].}
Source  Edit  
proc run(app: Prologue; ctxTyp: typedesc[Context])
Starts an Application. Source  Edit  
proc runAsync(app: Prologue): owned(Future[void]) {.inline, ...stackTrace: false,
    raises: [Exception, ValueError],
    tags: [RootEffect, TimeEffect, WriteIOEffect, ReadIOEffect], forbids: [].}
Source  Edit  
proc runAsync(app: Prologue; ctxTyp: typedesc[Context]): owned(Future[void]) {.
    ...stackTrace: false.}
Starts an Application. Source  Edit  
proc trace(app: Prologue; route: string; handler: HandlerAsync; name = "";
           middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpTrace. Source  Edit  
proc trace(group: Group; route: string; handler: HandlerAsync; name = "";
           middlewares: openArray[HandlerAsync] = @[]) {.inline, ...raises: [
    RouteError, KeyError, DuplicatedRouteError, DuplicatedReversedRouteError],
    tags: [], forbids: [].}
Adds route and handler with HttpTrace. Source  Edit  
func use(app: var Prologue; middlewares: varargs[HandlerAsync]) {.inline,
    ...raises: [], tags: [], forbids: [].}
Source  Edit 

Exports

getAllInfos, Group, newGroup, initMockingRequest, secure, charset, initRequest, setHeader, getHeaderOrDefault, url, getHeader, setScheme, contentType, query, port, Request, addHeader, getCookie, respond, hasHeader, send, scheme, stripPath, body, close, respond, setHeader, respond, headers, path, reqMethod, NativeRequest, hostName, serve, execStartupEvent, appName, appAddress, appPort, Prologue, serveAsync, newPrologue, Server, appDebug, []=, clear, hasKey, [], initResponseHeaders, getTables, getOrDefault, len, del, initResponseHeaders, ResponseHeaders, pairs, $, []=, [], add, useKairos, getMessage, parseStringTable, Fault, getMessage, Warning, pairs, values, existsPrologueEnv, contains, $, $, BaseType, Error, $, Json, initEnv, writePrologueEnv, [], dumps, Toml, Info, Session, del, Env, flash, FormPart, getOrDefault, SecretUrl, pairs, delPrologueEnv, EmptySecretKeyError, parseValue, clear, setPrologueEnv, loads, []=, getPrologueEnv, putPrologueEnv, ConfigFileExt, hasKey, flash, getOrDefault, []=, len, FlashLevel, Yaml, initFormPart, messagesWithCategory, newSession, keys, getAllPrologueEnv, messages, get, [], getPrologueEnv, EnvWrongFormatError, loadPrologueEnv, BadSecretKeyError, SecretKey, EnvError, len, [], useAsyncHTTPServer, PrologueVersion, ProloguePrefix, SyncEvent, getFormParamsOption, newErrorHandlerTable, attachment, init, save, PathHandler, AsyncEvent, ReRouter, getPathParamsOption, Context, gScope, getPathParams, getPostParams, deleteCookie, RePath, getFlashedMsgs, getSettings, getFlashedMsgsWithCategory, Router, BasePatternNode, UploadFile, ErrorHandlerTable, initEvent, respond, urlFor, ErrorHandler, defaultHandler, Path, flash, HandlerAsync, default500Handler, getQueryParams, setCookie, PatternMatchingType, staticFileResponse, extend, getPathParams, newContextTo, ReversedRouter, PatternNode, Event, respond, initEvent, getFlashedMsg, flash, execEvent, getPostParamsOption, initUploadFile, abortExit, GlobalScope, setResponse, getQueryParamsOption, getUploadFile, newErrorHandlerTable, send, getCookie, getFormParams, respond, default404Handler, setCookie, newReversedRouter, setResponse, getFlashedMsg, setCookie, newContextFrom, urlsafeBase64Encode, base64Encode, urlsafeBase64Decode, base64Encode, base64Decode, urlsafeBase64Encode, switch, extendContextMiddleWare, SubContext, doNothingClosureMiddleware, CtxSettings, newSettingsFromJsonNode, Settings, newCtxSettings, hasKey, getOrDefault, loadSettings, newSettings, loadSettings, [], errorPage, internalServerErrorPage, loginPage, multiPartPage, initResponse, resp, getHeaderOrDefault, setHeader, htmlResponse, setCookie, setCookie, addHeader, abort, jsonResponse, error404, initResponse, getHeader, deleteCookie, hasHeader, $, plainTextResponse, resp, redirect, Response, setHeader, respDefault, setCookie, $, $, add, initPath, compress, newReRouter, addRoute, stripRoute, pattern, items, UrlPattern, initRePath, newPathHandler, findHandler, hash, printRoutingTree, findHandler, pattern, newRouter, EmptySecretKeyError, parseValue, getMessage, clear, []=, Fault, getMessage, loads, BadSecretKeyError, Warning, parseStringTable, flash, messages, SecretUrl, []=, $, FlashLevel, BaseType, Error, initFormPart, len, newSession, $, dumps, [], Info, Session, del, flash, FormPart, getOrDefault, SecretKey, messagesWithCategory, [], pairs, len, randomBytesSeq, randomSecretKey, DefaultEntropy, randomString, randomBytesSeq, RouteResetError, AbortError, PrologueError, RouteError, DuplicatedReversedRouteError, HttpError, DuplicatedRouteError

Made with Nim. Generated: 2026-09-07 07:26:20 UTC