Tcl

Google Translate Text

See more Google Translate Examples

Demonstrates how to use the Cloud Translation API to translate text from one spoken language to another. The example translates from English to Spanish. Tcl

load ./chilkat.dll

set success 0

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# --------------------------------------------------------------------------------
# IMPORTANT: 
# Don't forget you need to 1st enable the Cloud Translation API in your Google Developers Console at https://console.cloud.google.com
# --------------------------------------------------------------------------------

# It is assumed we previously obtained an OAuth2 access token.
# This example loads the JSON access token file 
set jsonToken [new_CkJsonObject]

set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/_googleTranslate.json"]
if {$success != 1} then {
    puts "Failed to load _googleTranslate.json"
    delete_CkJsonObject $jsonToken
    exit
}

set http [new_CkHttp]

CkHttp_put_AuthToken $http [CkJsonObject_stringOf $jsonToken "access_token"]

# The following JSON is sent in the request body.

# {
#     "q": "The quick brown fox jumped over the lazy dog.",
#     "source": "en",
#     "target": "es",
#     "format": "text"
# }

set json [new_CkJsonObject]

# The following code creates the JSON request body.
CkJsonObject_UpdateString $json "q" "The quick brown fox jumped over the lazy dog."
CkJsonObject_UpdateString $json "source" "en"
CkJsonObject_UpdateString $json "target" "es"
CkJsonObject_UpdateString $json "format" "text"

CkJsonObject_put_EmitCompact $json 0
puts [CkJsonObject_emit $json]

set resp [new_CkHttpResponse]

set success [CkHttp_HttpJson $http "POST" "https://translation.googleapis.com/language/translate/v2" $json "application/json" $resp]
if {$success == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkJsonObject $jsonToken
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkHttpResponse $resp
    exit
}

set jResp [new_CkJsonObject]

CkHttpResponse_GetBodyJson $resp $jResp
CkJsonObject_put_EmitCompact $jResp 0

puts "Response Body:"
puts [CkJsonObject_emit $jResp]

set respStatusCode [CkHttpResponse_get_StatusCode $resp]
puts "Response Status Code = $respStatusCode"
if {$respStatusCode >= 400} then {
    puts "Response Header:"
    puts [CkHttpResponse_header $resp]
    puts "Failed."
    delete_CkJsonObject $jsonToken
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkHttpResponse $resp
    delete_CkJsonObject $jResp
    exit
}

# Sample JSON response:
# (Sample code for parsing the JSON response is shown below)

# {
#   "data": {
#     "translations": [
#       {
#         "translatedText": "El zorro r�pida salt� sobre el perro perezoso."
#       }
#     ]
#   }
# }

set i 0
set n [CkJsonObject_SizeOfArray $jResp "data.translations"]
while {$i < $n} {
    CkJsonObject_put_I $jResp $i
    set translatedText [CkJsonObject_stringOf $jResp "data.translations[i].translatedText"]
    puts "$translatedText"
    set i [expr $i + 1]
}

delete_CkJsonObject $jsonToken
delete_CkHttp $http
delete_CkJsonObject $json
delete_CkHttpResponse $resp
delete_CkJsonObject $jResp