From e895ca5748f08342125d2d095f61dfb17bd83a9e Mon Sep 17 00:00:00 2001
From: Milanka Ringwald <mila@ringwald.ch>
Date: Thu, 9 Apr 2015 14:45:35 +0200
Subject: [PATCH] automatically extract API

---
 docs/manual/appendix_apis.tex          | 10 +++
 docs/manual/btstack_gettingstarted.tex |  9 +--
 docs/manual/update_apis.py             | 87 ++++++++++++++++++++++++++
 3 files changed, 98 insertions(+), 8 deletions(-)
 create mode 100644 docs/manual/appendix_apis.tex
 create mode 100644 docs/manual/update_apis.py

diff --git a/docs/manual/appendix_apis.tex b/docs/manual/appendix_apis.tex
new file mode 100644
index 000000000..179282cd2
--- /dev/null
+++ b/docs/manual/appendix_apis.tex
@@ -0,0 +1,10 @@
+% !TEX root = btstack_gettingstarted.tex
+
+\input{api_run_loop}
+\input{api_hci}
+\input{api_l2cap}
+\input{api_rfcomm}
+\input{api_sdp}
+\input{api_sdp_client}
+\input{api_sdp_queries}
+\input{api_gatt_client}
diff --git a/docs/manual/btstack_gettingstarted.tex b/docs/manual/btstack_gettingstarted.tex
index 85bd1d19b..f69930503 100644
--- a/docs/manual/btstack_gettingstarted.tex
+++ b/docs/manual/btstack_gettingstarted.tex
@@ -1805,14 +1805,7 @@ When using BTstack in a multi-threaded environment,  this assumption has to stay
 \pagebreak
 
 \appendix
-	\input{api_run_loop}    
-	\input{api_hci}
-	\input{api_l2cap}
-	\input{api_rfcomm}
-	\input{api_sdp}
-	\input{api_sdp_client}
-	\input{api_sdp_queries}
-	\input{api_gatt_client}
+	\input{appendix_apis}    
 	\input{api_events_and_errors}
 
 \pagebreak
diff --git a/docs/manual/update_apis.py b/docs/manual/update_apis.py
new file mode 100644
index 000000000..5d878fb9e
--- /dev/null
+++ b/docs/manual/update_apis.py
@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+import os
+import re
+import sys 
+
+class State:
+    SearchStartAPI = 0
+    RemoveEmptyLinesAfterAPIStart = 1
+    SearchEndAPI = 2
+    DoneAPI = 3
+
+docs_folder = ""
+appendix_file = docs_folder + "appendix_apis.tex"
+
+api_header = """% !TEX root = btstack_gettingstarted.tex
+\section{API_TITLE}
+\label{appendix:API_LABLE}
+$ $
+\\begin{lstlisting}
+"""
+
+api_ending = """\end{lstlisting}
+\pagebreak
+"""
+
+# [file_name, api_title, api_lable]
+list_of_apis = [ 
+    ["../../include/btstack/run_loop.h", "Run Loop", "api_run_loop"],
+    ["../../src/hci.h", "Host Controller Interface (HCI)", "api_hci"],
+    ["../../src/l2cap.h", "L2CAP", "api_l2cap"],
+    ["../../src/rfcomm.h", "RFCOMM", "api_rfcomm"],
+    ["../../src/sdp.h", "SDP", "api_sdp"],
+    ["../../src/sdp_client.h", "SDP Client", "api_sdp_client"],
+    ["../../src/sdp_query_rfcomm.h", "SDP RFCOMM Query", "api_sdp_queries"],
+    ["../../ble/gatt_client.h", "GATT Client", "api_gatt_client"]
+]
+
+def replacePlaceholder(template, title, lable):
+    api_title = title + " API"
+    snippet = template.replace("API_TITLE", title).replace("API_LABLE", lable)
+    return snippet
+
+def writeAPI(fout, infile_name):
+    state = State.SearchStartAPI
+    with open(infile_name, 'rb') as fin:
+        for line in fin:
+            if state == State.SearchStartAPI:
+                parts = re.match('\s*(/\*).*API_START.*(\*/)',line)
+                if parts:
+                    state = State.RemoveEmptyLinesAfterAPIStart
+                    continue
+            
+            if state == State.RemoveEmptyLinesAfterAPIStart:
+                if line == "" or line == "\n":
+                    continue
+                state = State.SearchEndAPI
+
+            if state == State.SearchEndAPI:
+                parts = re.match('\s*(/\*).*API_END.*(\*/)',line)
+                if parts:
+                    state = State.DoneAPI
+                    return
+                fout.write(line)
+
+for api_tuple in list_of_apis:
+    infile_name = api_tuple[0]
+    if not infile_name:
+        continue
+    
+    api_title = api_tuple[1]
+    api_lable = api_tuple[2]
+    outfile_name = docs_folder + api_lable + ".tex"
+    
+    with open(outfile_name, 'w') as fout:
+        fout.write(replacePlaceholder(api_header, api_title, api_lable))
+        writeAPI(fout, infile_name)
+        fout.write(api_ending)
+
+
+with open(appendix_file, 'w') as aout:
+    aout.write("% !TEX root = btstack_gettingstarted.tex\n\n")
+    for api_tuple in list_of_apis:
+        infile_name = api_tuple[0]
+        if not infile_name:
+            continue
+        tex_input = "\input{" + api_tuple[2]+ "}\n"
+        aout.write(tex_input)